{"id":"https://openalex.org/W614249287","doi":null,"title":"The cross-staff: History and development of a navigational instrument","display_name":"The cross-staff: History and development of a navigational instrument","publication_year":1994,"publication_date":"1994-01-01","ids":{"openalex":"https://openalex.org/W614249287","mag":"614249287"},"language":"en","primary_location":{"id":"mag:614249287","doi":null,"is_oa":false,"landing_page_url":"https://www.amazon.com/Cross-staff-History-Development-Navigational-Instrument/dp/906011907X","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","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/A5024466864","display_name":"M\u00f6rzer Bruyns","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"M\u00f6rzer Bruyns","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5024466864"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9671,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.89786585,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"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/T13854","display_name":"Historical Geography and Cartography","score":0.8217999935150146,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T13854","display_name":"Historical Geography and Cartography","score":0.8217999935150146,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12836","display_name":"History and Developments in Astronomy","score":0.07760000228881836,"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/T13641","display_name":"Historical Studies and Socio-cultural Analysis","score":0.031700000166893005,"subfield":{"id":"https://openalex.org/subfields/1207","display_name":"History and Philosophy of Science"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cross-staff","display_name":"cross-staff","score":0.9980000257492065},{"id":"https://openalex.org/keywords/navigation-instruments","display_name":"nautical instruments","score":0.9269999861717224},{"id":"https://openalex.org/keywords/navigation-history","display_name":"history of navigation","score":0.8999999761581421},{"id":"https://openalex.org/keywords/instrument-development","display_name":"instrument development","score":0.5419999957084656},{"id":"https://openalex.org/keywords/celestial-navigation","display_name":"celestial navigation","score":0.49399998784065247}],"concepts":[{"id":"https://openalex.org/C2984224174","wikidata":"https://www.wikidata.org/wiki/Q25324239","display_name":"Survey instrument","level":2,"score":0.34201526641845703},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.21477165818214417},{"id":"https://openalex.org/C75630572","wikidata":"https://www.wikidata.org/wiki/Q538904","display_name":"Applied psychology","level":1,"score":0.1423189342021942}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:614249287","doi":null,"is_oa":false,"landing_page_url":"https://www.amazon.com/Cross-staff-History-Development-Navigational-Instrument/dp/906011907X","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7025468404","https://openalex.org/W3118443814","https://openalex.org/W1999314453","https://openalex.org/W2291113797","https://openalex.org/W6885143161","https://openalex.org/W628747980","https://openalex.org/W3108221478","https://openalex.org/W431865036","https://openalex.org/W7145983787","https://openalex.org/W6922684793"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":13},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2016-06-24T00:00:00"}
