Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2224638498', 'doi': None, 'title': 'Fundamentals in the Cretaceous stratigraphy of Japan. Part I', 'display_name': 'Fundamentals in the Cretaceous stratigraphy of Japan. Part I', 'publication_year': 1942, 'publication_date': '1942-01-01', 'ids': {'openalex': 'https://openalex.org/W2224638498', 'mag': '2224638498'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/naid/10008433641', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], '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/A5030113152', 'display_name': 'Tatsuro Matsumoto', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'T. Matsumoto', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5030113152'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 89, 'citation_normalized_percentile': {'value': 0.95572, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '1', 'issue': None, 'first_page': '129', 'last_page': '280'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11354', 'display_name': 'Evolutionary Dynamics of Mammals and Their Ancestors', 'score': 0.9883, '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/T11354', 'display_name': 'Evolutionary Dynamics of Mammals and Their Ancestors', 'score': 0.9883, '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/T10109', 'display_name': 'Paleoredox and Paleoproductivity Proxies', 'score': 0.9574, '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/T10017', 'display_name': 'Climate Change and Paleoclimatology', 'score': 0.9299, 'subfield': {'id': 'https://openalex.org/subfields/1902', 'display_name': 'Atmospheric Science'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/phylogenetic-comparative-analysis', 'display_name': 'Phylogenetic Comparative Analysis', 'score': 0.547742}, {'id': 'https://openalex.org/keywords/paleoclimatology', 'display_name': 'Paleoclimatology', 'score': 0.506896}], 'concepts': [{'id': 'https://openalex.org/C109281948', 'wikidata': 'https://www.wikidata.org/wiki/Q134783', 'display_name': 'Stratigraphy', 'level': 3, 'score': 0.8067218}, {'id': 'https://openalex.org/C12294951', 'wikidata': 'https://www.wikidata.org/wiki/Q44626', 'display_name': 'Cretaceous', 'level': 2, 'score': 0.75185263}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.7096395}, {'id': 'https://openalex.org/C151730666', 'wikidata': 'https://www.wikidata.org/wiki/Q7205', 'display_name': 'Paleontology', 'level': 1, 'score': 0.6354478}, {'id': 'https://openalex.org/C77928131', 'wikidata': 'https://www.wikidata.org/wiki/Q193343', 'display_name': 'Tectonics', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/naid/10008433641', 'pdf_url': None, 'source': None, '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/W644332328', 'https://openalex.org/W563479236', 'https://openalex.org/W303095720', 'https://openalex.org/W2994666786', 'https://openalex.org/W2770193212', 'https://openalex.org/W2768417367', 'https://openalex.org/W2510383128', 'https://openalex.org/W2478820444', 'https://openalex.org/W2326437997', 'https://openalex.org/W2291585776', 'https://openalex.org/W2277740495', 'https://openalex.org/W2236953084', 'https://openalex.org/W2157985435', 'https://openalex.org/W2074380918', 'https://openalex.org/W2060323442', 'https://openalex.org/W2043430782', 'https://openalex.org/W2031827207', 'https://openalex.org/W2030385303', 'https://openalex.org/W2013740906', 'https://openalex.org/W1489604298'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2224638498', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 2}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 3}, {'year': 2012, 'cited_by_count': 5}], 'updated_date': '2024-09-18T23:18:21.139882', 'created_date': '2016-06-24'}