{"id":"https://openalex.org/W2043690674","doi":"https://doi.org/10.1109/tgrs.2011.2171349","title":"Synthetic Aperture Radar Processing of Kaguya Lunar Radar Sounder Data for Lunar Subsurface Imaging","display_name":"Synthetic Aperture Radar Processing of Kaguya Lunar Radar Sounder Data for Lunar Subsurface Imaging","publication_year":2011,"publication_date":"2011-11-17","ids":{"openalex":"https://openalex.org/W2043690674","doi":"https://doi.org/10.1109/tgrs.2011.2171349","mag":"2043690674"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2011.2171349","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2011.2171349","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101492864","display_name":"Takao Kobayashi","orcid":"https://orcid.org/0000-0001-6266-3764"},"institutions":[{"id":"https://openalex.org/I1302918504","display_name":"Planetary Science Institute","ror":"https://ror.org/05vvg9554","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1302918504"]},{"id":"https://openalex.org/I4210142421","display_name":"Korea Institute of Geoscience and Mineral Resources","ror":"https://ror.org/044k0pw44","country_code":"KR","type":"facility","lineage":["https://openalex.org/I4210142421"]}],"countries":["KR","US"],"is_corresponding":false,"raw_author_name":"Takao Kobayashi","raw_affiliation_strings":["Earth Planetary Science Department, Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea","Earth Planetary Sci. Dept., Korea Inst. of Geosci. & Miner. Resources, Daejeon, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earth Planetary Science Department, Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea","institution_ids":["https://openalex.org/I4210142421"]},{"raw_affiliation_string":"Earth Planetary Sci. Dept., Korea Inst. of Geosci. & Miner. Resources, Daejeon, South Korea","institution_ids":["https://openalex.org/I1302918504"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100754802","display_name":"Jungho Kim","orcid":"https://orcid.org/0000-0003-4560-6375"},"institutions":[{"id":"https://openalex.org/I4210142421","display_name":"Korea Institute of Geoscience and Mineral Resources","ror":"https://ror.org/044k0pw44","country_code":"KR","type":"facility","lineage":["https://openalex.org/I4210142421"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jung-Ho Kim","raw_affiliation_strings":["Exploration Geophysics and Mining Engineering Department, Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea","Exploration Geophys. & Min. Eng. Dept., Korea Inst. of Geosci. & Miner. Resources, Daejeon, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Exploration Geophysics and Mining Engineering Department, Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea","institution_ids":["https://openalex.org/I4210142421"]},{"raw_affiliation_string":"Exploration Geophys. & Min. Eng. Dept., Korea Inst. of Geosci. & Miner. Resources, Daejeon, South Korea","institution_ids":["https://openalex.org/I4210142421"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102019897","display_name":"Seung Ryeol Lee","orcid":"https://orcid.org/0000-0002-2713-1452"},"institutions":[{"id":"https://openalex.org/I1302918504","display_name":"Planetary Science Institute","ror":"https://ror.org/05vvg9554","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1302918504"]},{"id":"https://openalex.org/I4210142421","display_name":"Korea Institute of Geoscience and Mineral Resources","ror":"https://ror.org/044k0pw44","country_code":"KR","type":"facility","lineage":["https://openalex.org/I4210142421"]}],"countries":["KR","US"],"is_corresponding":false,"raw_author_name":"Seung Ryeol Lee","raw_affiliation_strings":["Earth Planetary Science Department, Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea","Earth Planetary Sci. Dept., Korea Inst. of Geosci. & Miner. Resources, Daejeon, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earth Planetary Science Department, Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea","institution_ids":["https://openalex.org/I4210142421"]},{"raw_affiliation_string":"Earth Planetary Sci. Dept., Korea Inst. of Geosci. & Miner. Resources, Daejeon, South Korea","institution_ids":["https://openalex.org/I1302918504"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057315767","display_name":"Atsushi Kumamoto","orcid":"https://orcid.org/0000-0002-3988-1488"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi Kumamoto","raw_affiliation_strings":["Planetary Plasma and Atmospheric Research Center, University of Tohoku, Sendai, Japan","Planetary Plasma & Atmos. Res. Center, Tohoku Univ., Sendai, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Planetary Plasma and Atmospheric Research Center, University of Tohoku, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Planetary Plasma & Atmos. Res. Center, Tohoku Univ., Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087036015","display_name":"Hiromu Nakagawa","orcid":"https://orcid.org/0000-0001-8166-0171"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiromu Nakagawa","raw_affiliation_strings":["Geophysical Institute, University of Tohoku, Sendai, Japan","Geophys. Inst., Tohoku Univ., Sendai, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Geophysical Institute, University of Tohoku, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Geophys. Inst., Tohoku Univ., Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075874020","display_name":"Shoko Oshigami","orcid":"https://orcid.org/0000-0002-1760-1158"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shoko Oshigami","raw_affiliation_strings":["Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan","Grad. Sch. of Environ. Studies, Nagoya Univ., Nagoya, , Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"Grad. Sch. of Environ. Studies, Nagoya Univ., Nagoya, , Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071811525","display_name":"Hiroshi Oya","orcid":null},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Oya","raw_affiliation_strings":["Geophysical Institute, University of Tohoku, Sendai, Japan","Geophys. Inst., Tohoku Univ., Sendai, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Geophysical Institute, University of Tohoku, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Geophys. Inst., Tohoku Univ., Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061253085","display_name":"Yasushi Yamaguchi","orcid":"https://orcid.org/0000-0002-2554-1060"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yasushi Yamaguchi","raw_affiliation_strings":["Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan","Grad. Sch. of Environ. Studies, Nagoya Univ., Nagoya, , Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"Grad. Sch. of Environ. Studies, Nagoya Univ., Nagoya, , Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066666065","display_name":"Atsushi Yamaji","orcid":"https://orcid.org/0000-0001-8074-543X"},"institutions":[{"id":"https://openalex.org/I1302918504","display_name":"Planetary Science Institute","ror":"https://ror.org/05vvg9554","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1302918504"]},{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Atsushi Yamaji","raw_affiliation_strings":["Division of Earth and Planetary Sciences, Kyoto University, Kyoto, Japan","Div. of Earth & Planetary Sci., Kyoto Univ., Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Earth and Planetary Sciences, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Div. of Earth & Planetary Sci., Kyoto Univ., Kyoto, Japan","institution_ids":["https://openalex.org/I1302918504"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067725586","display_name":"Takayuki Ono","orcid":"https://orcid.org/0000-0003-1606-8176"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takayuki Ono","raw_affiliation_strings":["Geophysical Institute, University of Tohoku, Sendai, Japan","Geophys. Inst., Tohoku Univ., Sendai, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Geophysical Institute, University of Tohoku, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Geophys. Inst., Tohoku Univ., Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":10,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2163,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.81181228,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"50","issue":"6","first_page":"2161","last_page":"2174"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10406","display_name":"Planetary Science and Exploration","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10406","display_name":"Planetary Science and Exploration","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10995","display_name":"Methane Hydrates and Related Phenomena","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","score":0.9934999942779541,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.868759036064148},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6601424217224121},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.6005960702896118},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.5137925744056702},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5072054862976074},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5018961429595947},{"id":"https://openalex.org/keywords/zenith","display_name":"Zenith","score":0.4961300790309906},{"id":"https://openalex.org/keywords/side-looking-airborne-radar","display_name":"Side looking airborne radar","score":0.4809074401855469},{"id":"https://openalex.org/keywords/data-processing","display_name":"Data processing","score":0.4765230417251587},{"id":"https://openalex.org/keywords/regolith","display_name":"Regolith","score":0.44799065589904785},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3509944677352905},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.3343941569328308},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.26657480001449585},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.19328412413597107},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10164043307304382}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.868759036064148},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6601424217224121},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.6005960702896118},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5137925744056702},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5072054862976074},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5018961429595947},{"id":"https://openalex.org/C53970728","wikidata":"https://www.wikidata.org/wiki/Q82806","display_name":"Zenith","level":2,"score":0.4961300790309906},{"id":"https://openalex.org/C62282787","wikidata":"https://www.wikidata.org/wiki/Q831483","display_name":"Side looking airborne radar","level":5,"score":0.4809074401855469},{"id":"https://openalex.org/C138827492","wikidata":"https://www.wikidata.org/wiki/Q6661985","display_name":"Data processing","level":2,"score":0.4765230417251587},{"id":"https://openalex.org/C41642174","wikidata":"https://www.wikidata.org/wiki/Q106551","display_name":"Regolith","level":2,"score":0.44799065589904785},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3509944677352905},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.3343941569328308},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.26657480001449585},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.19328412413597107},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10164043307304382},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C87355193","wikidata":"https://www.wikidata.org/wiki/Q411","display_name":"Astrobiology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2011.2171349","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2011.2171349","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334900","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W86549454","https://openalex.org/W1969322422","https://openalex.org/W1996883586","https://openalex.org/W2047579103","https://openalex.org/W2050567487","https://openalex.org/W2121164544","https://openalex.org/W2160619163","https://openalex.org/W2321585011","https://openalex.org/W3080681962","https://openalex.org/W6781821420"],"related_works":["https://openalex.org/W2135924691","https://openalex.org/W2113162338","https://openalex.org/W2766192666","https://openalex.org/W4245917453","https://openalex.org/W2142179688","https://openalex.org/W2385030184","https://openalex.org/W2502249732","https://openalex.org/W1989152044","https://openalex.org/W2382300681","https://openalex.org/W4388207922"],"abstract_inverted_index":{"Synthetic":[0],"aperture":[1,125,135],"radar":[2],"(SAR)":[3],"processing":[4,105,169,175],"was":[5,22,42,87,92,106,170,188],"applied":[6],"to":[7,44,49,177,203,213],"the":[8,32,45,51,55,71,112,123,149,190,195,199,215],"observation":[9,97],"data":[10],"of":[11,34,54,70,79,111,138,148,158,165,198],"Lunar":[12],"Radar":[13],"Sounder":[14],"(LRS),":[15],"which":[16,21],"is":[17,126,152],"an":[18],"HF":[19],"sounder":[20],"installed":[23],"onboard":[24],"a":[25,132,139],"Japanese":[26],"lunar":[27,36],"exploration":[28],"orbiter,":[29],"Kaguya,":[30],"for":[31,102],"purpose":[33],"imaging":[35,86,181],"subsurface":[37,72,113,150],"structure.":[38],"A":[39,99],"two-media":[40,200],"model":[41,201],"introduced":[43],"LRS":[46,56,60,84,96,103],"SAR":[47,57,61,85,104,174],"algorithm":[48,62],"define":[50],"reference":[52],"function":[53],"processing.":[58],"The":[59,77,108],"has":[63],"two":[64],"free":[65,81],"parameters,":[66],"i.e.,":[67],"dielectric":[68,109,141,196],"constant":[69,110,142,197],"medium":[73,114,151],"and":[74,91],"synthetic":[75,124,134],"aperture.":[76],"effect":[78],"these":[80],"parameters":[82],"on":[83],"studied":[88],"by":[89,94],"simulation":[90],"verified":[93],"actual":[95],"data.":[98],"practical":[100],"guideline":[101],"drawn.":[107],"may":[115],"be":[116,178,204],"ignored":[117],"in":[118,154,180,206],"practice":[119],"so":[120],"far":[121],"as":[122,218],"smaller":[127],"than":[128],"10":[129],"km.":[130],"For":[131],"larger":[133],"case,":[136],"assumption":[137],"moderate":[140],"(\u03b5":[143],"=":[144],"6":[145],"~":[146],"8)":[147],"effective":[153,179,205],"realizing":[155],"good":[156],"focusing":[157,173],"deep":[159],"targets.":[160],"Finally,":[161],"taking":[162],"full":[163],"advantage":[164],"ground":[166],"processing,":[167],"advanced":[168],"attempted.":[171],"Off-nadir":[172],"proved":[176,202],"oblique":[182],"objects":[183],"whose":[184],"dominant":[185],"scattering":[186],"angle":[187,191],"not":[189],"toward":[192],"zenith.":[193],"Changing":[194],"focusing/defocusing":[207],"small":[208],"objects,":[209],"thus":[210],"enabling":[211],"us":[212],"localize":[214],"object's":[216],"position":[217],"surface":[219],"or":[220],"subsurface.":[221]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
