{"id":"https://openalex.org/W2118381939","doi":"https://doi.org/10.1002/malq.19760220106","title":"Trees and Isols II","display_name":"Trees and Isols II","publication_year":1976,"publication_date":"1976-01-01","ids":{"openalex":"https://openalex.org/W2118381939","doi":"https://doi.org/10.1002/malq.19760220106","mag":"2118381939"},"language":"en","primary_location":{"id":"doi:10.1002/malq.19760220106","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19760220106","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0044-3050","issn":["0044-3050","0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematical Logic Quarterly","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/A5109841134","display_name":"T. G. McLaughlin","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"T. G. McLaughlin","raw_affiliation_strings":["Lubbock, Texas (U.S.A.)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lubbock, Texas (U.S.A.)","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5109841134"],"corresponding_institution_ids":[],"apc_list":{"value":2900,"currency":"USD","value_usd":2900},"apc_paid":null,"fwci":1.1123,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.78763709,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"22","issue":"1","first_page":"45","last_page":"78"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.5885999798774719,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.5885999798774719,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/citation","display_name":"Citation","score":0.6915315389633179},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5376967191696167},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3463273048400879},{"id":"https://openalex.org/keywords/library-science","display_name":"Library science","score":0.32759878039360046}],"concepts":[{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.6915315389633179},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5376967191696167},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3463273048400879},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.32759878039360046}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/malq.19760220106","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19760220106","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0044-3050","issn":["0044-3050","0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematical Logic Quarterly","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.5299999713897705,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1413422036","https://openalex.org/W1483568252","https://openalex.org/W1848103628","https://openalex.org/W1988781024","https://openalex.org/W1995383554","https://openalex.org/W1996439223","https://openalex.org/W2000453719","https://openalex.org/W2004998346","https://openalex.org/W2020422293","https://openalex.org/W2028375491","https://openalex.org/W2043599054","https://openalex.org/W2058938102","https://openalex.org/W2065021708","https://openalex.org/W2093546192","https://openalex.org/W2101746971","https://openalex.org/W2102708899","https://openalex.org/W2115071601","https://openalex.org/W2151969172","https://openalex.org/W2320814124","https://openalex.org/W2530006810","https://openalex.org/W2530032115","https://openalex.org/W2905135108","https://openalex.org/W3046397786","https://openalex.org/W4233266865","https://openalex.org/W4233817961","https://openalex.org/W4241435086","https://openalex.org/W4244861260","https://openalex.org/W4247148804","https://openalex.org/W4248619707","https://openalex.org/W4250682955","https://openalex.org/W4250996528","https://openalex.org/W4252500213","https://openalex.org/W6904822238"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2350741829","https://openalex.org/W2130043461","https://openalex.org/W2530322880"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2016-06-24T00:00:00"}