{"id":"https://openalex.org/W614091847","doi":null,"title":"\u00dcber den Bau und das System der Hexactinelliden","display_name":"\u00dcber den Bau und das System der Hexactinelliden","publication_year":1886,"publication_date":"1886-01-01","ids":{"openalex":"https://openalex.org/W614091847","mag":"614091847"},"language":"de","primary_location":{"id":"mag:614091847","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/ncid/BA53739407","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"book","is_traditional":true,"indexed_in":[],"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/A5001426040","display_name":"Franz Eilhard Schulze","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Franz Eilhard Schulze","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5001426040"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.5,"has_fulltext":false,"cited_by_count":67,"citation_normalized_percentile":{"value":1.0,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11340","display_name":"Marine Sponges and Natural Products","score":0.1988999992609024,"subfield":{"id":"https://openalex.org/subfields/1305","display_name":"Biotechnology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11340","display_name":"Marine Sponges and Natural Products","score":0.1988999992609024,"subfield":{"id":"https://openalex.org/subfields/1305","display_name":"Biotechnology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12142","display_name":"Marine Invertebrate Physiology and Ecology","score":0.17329999804496765,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13100","display_name":"Comparative Animal Anatomy Studies","score":0.1264999955892563,"subfield":{"id":"https://openalex.org/subfields/2702","display_name":"Anatomy"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hexactinellida","display_name":"Hexactinellida","score":0.9399999976158142},{"id":"https://openalex.org/keywords/sponges","display_name":"sponges","score":0.8339999914169312},{"id":"https://openalex.org/keywords/sponge-anatomy","display_name":"sponge anatomy","score":0.609000027179718},{"id":"https://openalex.org/keywords/sponge-systematics","display_name":"sponge systematics","score":0.6600000262260437}],"concepts":[{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.30238527059555054}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:614091847","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/ncid/BA53739407","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1541962873","https://openalex.org/W7067574807","https://openalex.org/W2256298182","https://openalex.org/W594719007","https://openalex.org/W4405945573","https://openalex.org/W6964223103","https://openalex.org/W1468716434","https://openalex.org/W7082714268","https://openalex.org/W7025328038","https://openalex.org/W2039657488"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":5}],"updated_date":"2026-10-25T09:29:13.331239","created_date":"2016-06-24T00:00:00"}