Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2556921709', 'doi': 'https://doi.org/10.2307/2532473', 'title': 'Matrix Population Models.', 'display_name': 'Matrix Population Models.', 'publication_year': 1990, 'publication_date': '1990-12-01', 'ids': {'openalex': 'https://openalex.org/W2556921709', 'doi': 'https://doi.org/10.2307/2532473', 'mag': '2556921709'}, 'language': 'ca', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.2307/2532473', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S8265502', 'display_name': 'Biometrics', 'issn_l': '0006-341X', 'issn': ['0006-341X', '1541-0420'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5050036746', 'display_name': 'P. Holgate', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'P. Holgate', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5083451202', 'display_name': 'Hal Caswell', 'orcid': 'https://orcid.org/0000-0003-4394-6894'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'H. Caswell', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3710, 'currency': 'USD', 'value_usd': 3710, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 86.407, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 531, 'citation_normalized_percentile': {'value': 0.999601, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '46', 'issue': '4', 'first_page': '1238', 'last_page': '1238'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12011', 'display_name': 'Insurance, Mortality, Demography, Risk Management', 'score': 0.154, 'subfield': {'id': 'https://openalex.org/subfields/3317', 'display_name': 'Demography'}, '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/T12011', 'display_name': 'Insurance, Mortality, Demography, Risk Management', 'score': 0.154, 'subfield': {'id': 'https://openalex.org/subfields/3317', 'display_name': 'Demography'}, '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/matrix', 'display_name': 'Matrix (chemical analysis)', 'score': 0.4333739}], 'concepts': [{'id': 'https://openalex.org/C106487976', 'wikidata': 'https://www.wikidata.org/wiki/Q685816', 'display_name': 'Matrix (chemical analysis)', 'level': 2, 'score': 0.4333739}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.38528568}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.34798706}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.07174766}, {'id': 'https://openalex.org/C43617362', 'wikidata': 'https://www.wikidata.org/wiki/Q170050', 'display_name': 'Chromatography', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.2307/2532473', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S8265502', 'display_name': 'Biometrics', 'issn_l': '0006-341X', 'issn': ['0006-341X', '1541-0420'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W4238204885', 'https://openalex.org/W3002753104', 'https://openalex.org/W2748952813', 'https://openalex.org/W2600246793', 'https://openalex.org/W2142036596', 'https://openalex.org/W2077600819', 'https://openalex.org/W2072657027', 'https://openalex.org/W2061531152', 'https://openalex.org/W2007980826', 'https://openalex.org/W1979597421'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2556921709', 'counts_by_year': [{'year': 2024, 'cited_by_count': 4}, {'year': 2023, 'cited_by_count': 5}, {'year': 2022, 'cited_by_count': 10}, {'year': 2021, 'cited_by_count': 8}, {'year': 2020, 'cited_by_count': 7}, {'year': 2019, 'cited_by_count': 14}, {'year': 2018, 'cited_by_count': 8}, {'year': 2017, 'cited_by_count': 7}, {'year': 2016, 'cited_by_count': 12}, {'year': 2015, 'cited_by_count': 2}, {'year': 2014, 'cited_by_count': 12}, {'year': 2013, 'cited_by_count': 5}, {'year': 2012, 'cited_by_count': 6}], 'updated_date': '2024-12-17T03:55:37.677670', 'created_date': '2016-11-30'}