{"id":"https://openalex.org/A5066299910","orcid":null,"observed_orcids":[],"display_name":"I. Feje\u0161","raw_author_names":["Fejes, I.","I Fejes","I. Fejes","I. Fejesh","I. Feje\u0161","Istvan Fejes","Istva\u0301n Fejes","Istv\u00e0n Fejes","Istv\u00e1n Fejes","\u0418. \u0424\u0435\u0439\u0435\u0448"],"full_name":"Istva\u0301n Fejes","works_count":93,"cited_by_count":922,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":10,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5066299910","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I106118109","ror":"https://ror.org/01jsq2704","display_name":"E\u00f6tv\u00f6s Lor\u00e1nd University","country_code":"HU","type":"education","lineage":["https://openalex.org/I106118109"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I1285790362","ror":"https://ror.org/05hppb561","display_name":"Finnish Meteorological Institute","country_code":"FI","type":"government","lineage":["https://openalex.org/I1284112523","https://openalex.org/I1285790362"]},"years":[1990]},{"institution":{"id":"https://openalex.org/I29770179","ror":"https://ror.org/02w42ss30","display_name":"Budapest University of Technology and Economics","country_code":"HU","type":"education","lineage":["https://openalex.org/I29770179"]},"years":[1989]},{"institution":{"id":"https://openalex.org/I4210150998","ror":"https://ror.org/04j62p693","display_name":"Department of Geodesy, Remote Sensing and Land Offices","country_code":"HU","type":"government","lineage":["https://openalex.org/I4210150998"]},"years":[2013,2009,2008,2006,2004,2002,2001,2000,1999,1996,1993,1991]},{"institution":{"id":"https://openalex.org/I4210158571","ror":"https://ror.org/04jvemc39","display_name":"Max Planck Institute for Radio Astronomy","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210158571"]},"years":[1991,1982]},{"institution":{"id":"https://openalex.org/I7597260","ror":"https://ror.org/02ks8qq67","display_name":"Hungarian Academy of Sciences","country_code":"HU","type":"government","lineage":["https://openalex.org/I7597260"]},"years":[2009,2008]},{"institution":{"id":"https://openalex.org/I922237871","ror":"https://ror.org/000k1q888","display_name":"Netherlands Institute for Radio Astronomy","country_code":"NL","type":"other","lineage":["https://openalex.org/I2800991832","https://openalex.org/I4405262988","https://openalex.org/I922237871"]},"years":[1987]}],"last_known_institutions":[{"id":"https://openalex.org/I4210150998","ror":"https://ror.org/04j62p693","display_name":"Department of Geodesy, Remote Sensing and Land Offices","country_code":"HU","type":"government","lineage":["https://openalex.org/I4210150998"]}],"topics":[{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","count":41,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10744","display_name":"Astrophysical Phenomena and Observations","count":35,"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/T10039","display_name":"Stellar, planetary, and galactic studies","count":28,"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/T10818","display_name":"Astrophysics and Cosmic Phenomena","count":27,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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/T12450","display_name":"Radio Astronomy Observations and Technology","count":19,"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"}}],"topic_share":[{"id":"https://openalex.org/T12821","display_name":"Geological Formations and Processes Exploration","value":0.0002327,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","value":0.0002104,"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/T10655","display_name":"GNSS positioning and interference","value":0.0001724,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13511","display_name":"Geodetic Measurements and Engineering Structures","value":0.0001009,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","value":8.97e-05,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9708296060562134},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.9186874628067017},{"id":"13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","score":0.8390169143676758},{"id":"1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","score":0.6646816730499268},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.5653364658355713}],"counts_by_year":[{"year":1967,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1983,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":10,"oa_works_count":3,"cited_by_count":0},{"year":2001,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":9,"oa_works_count":3,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2013,"works_count":3,"oa_works_count":1,"cited_by_count":16},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":48},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":33},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":63},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":50},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":33},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":36},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":29}],"display_name_alternatives":["Fejes, I.","I Fejes","I. Fejes","I. Fejesh","I. Feje\u0161","Istvan Fejes","Istva\u0301n Fejes","Istv\u00e0n Fejes","Istv\u00e1n Fejes","\u0418. \u0424\u0435\u0439\u0435\u0448"],"block_key":"i fejes","works_api_url":"https://api.openalex.org/works?filter=author.id:A5066299910","awards_count":0,"updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}
