{"id":"https://openalex.org/W2007453246","doi":"https://doi.org/10.30861/9780860540830","title":"The Niger Delta: Aspects of its Prehistoric Economy and Culture","display_name":"The Niger Delta: Aspects of its Prehistoric Economy and Culture","publication_year":1980,"publication_date":"1980-01-01","ids":{"openalex":"https://openalex.org/W2007453246","doi":"https://doi.org/10.30861/9780860540830","mag":"2007453246"},"language":"en","primary_location":{"id":"doi:10.30861/9780860540830","doi":"https://doi.org/10.30861/9780860540830","is_oa":false,"landing_page_url":"https://doi.org/10.30861/9780860540830","pdf_url":null,"source":{"id":"https://openalex.org/S4306464181","display_name":"University of Michigan Press eBooks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310316034","host_organization_name":"University of Michigan Press","host_organization_lineage":["https://openalex.org/P4310316034"],"host_organization_lineage_names":["University of Michigan Press"],"type":"ebook platform"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"monograph"},"volume":null,"type":"book","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/A5083603740","display_name":"Nwanna Nzewunwa","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Nwanna Nzewunwa","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5083603740"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6036,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.7518797,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"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/T10087","display_name":"Archaeology and ancient environmental studies","score":0.37130001187324524,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10087","display_name":"Archaeology and ancient environmental studies","score":0.37130001187324524,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"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/T13019","display_name":"African Studies and Geopolitics","score":0.259799987077713,"subfield":{"id":"https://openalex.org/subfields/3314","display_name":"Anthropology"},"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/T14395","display_name":"African history and culture studies","score":0.09529999643564224,"subfield":{"id":"https://openalex.org/subfields/3314","display_name":"Anthropology"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/niger-delta","display_name":"Niger Delta","score":0.9919999837875366},{"id":"https://openalex.org/keywords/prehistoric-economy","display_name":"prehistoric economy","score":0.9890000224113464},{"id":"https://openalex.org/keywords/prehistoric-societies","display_name":"prehistoric societies","score":0.9909999966621399},{"id":"https://openalex.org/keywords/subsistence","display_name":"subsistence","score":0.5009999871253967},{"id":"https://openalex.org/keywords/hunter-gatherers","display_name":"hunter-gatherers","score":0.6980000138282776},{"id":"https://openalex.org/keywords/prehistoric-archaeology","display_name":"prehistoric archaeology","score":0.3479999899864197}],"concepts":[{"id":"https://openalex.org/C2993759428","wikidata":"https://www.wikidata.org/wiki/Q29412","display_name":"Niger delta","level":3,"score":0.929402232170105},{"id":"https://openalex.org/C204852536","wikidata":"https://www.wikidata.org/wiki/Q11756","display_name":"Prehistory","level":2,"score":0.7990751266479492},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.41558197140693665},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.4072081744670868},{"id":"https://openalex.org/C5072461","wikidata":"https://www.wikidata.org/wiki/Q49506","display_name":"Delta","level":2,"score":0.3764950931072235},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.2612810432910919},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.16165459156036377},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07609492540359497},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.30861/9780860540830","doi":"https://doi.org/10.30861/9780860540830","is_oa":false,"landing_page_url":"https://doi.org/10.30861/9780860540830","pdf_url":null,"source":{"id":"https://openalex.org/S4306464181","display_name":"University of Michigan Press eBooks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310316034","host_organization_name":"University of Michigan Press","host_organization_lineage":["https://openalex.org/P4310316034"],"host_organization_lineage_names":["University of Michigan Press"],"type":"ebook platform"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"monograph"},{"id":"mag:2007453246","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/ncid/BA86954926","pdf_url":null,"source":{"id":"https://openalex.org/S4306466171","display_name":"B.A.R. eBooks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"ebook platform"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"B.A.R. eBooks","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/W1988329871","https://openalex.org/W4392039755","https://openalex.org/W367076458","https://openalex.org/W614597672","https://openalex.org/W6986213206","https://openalex.org/W7112573235","https://openalex.org/W631887478","https://openalex.org/W7039838810","https://openalex.org/W4247242871","https://openalex.org/W6986557024"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}
