Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2999615809', 'doi': 'https://doi.org/10.1016/0021-9169(55)90145-8', 'title': 'Indices of geomagnetic activity', 'display_name': 'Indices of geomagnetic activity', 'publication_year': 1955, 'publication_date': '1955-07-01', 'ids': {'openalex': 'https://openalex.org/W2999615809', 'doi': 'https://doi.org/10.1016/0021-9169(55)90145-8', 'mag': '2999615809'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0021-9169(55)90145-8', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210190731', 'display_name': 'Journal of Atmospheric and Terrestrial Physics', 'issn_l': '0021-9169', 'issn': ['0021-9169', '1878-593X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], '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': [], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 58, 'citation_normalized_percentile': {'value': 0.784651, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '7', 'issue': None, 'first_page': '351', 'last_page': '352'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11786', 'display_name': 'Magnetosome Formation in Prokaryotes', 'score': 0.9885, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11786', 'display_name': 'Magnetosome Formation in Prokaryotes', 'score': 0.9885, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T12424', 'display_name': 'Study of Earthquake Precursor Phenomena', 'score': 0.9594, 'subfield': {'id': 'https://openalex.org/subfields/1908', 'display_name': 'Geophysics'}, '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/T14047', 'display_name': 'Paleoceanography and Geology of the Black Sea', 'score': 0.928, 'subfield': {'id': 'https://openalex.org/subfields/1910', 'display_name': 'Oceanography'}, '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/geomagnetic-model', 'display_name': 'Geomagnetic Model', 'score': 0.671941}, {'id': 'https://openalex.org/keywords/seismic-activity-monitoring', 'display_name': 'Seismic Activity Monitoring', 'score': 0.660406}, {'id': 'https://openalex.org/keywords/paleomagnetic-data', 'display_name': 'Paleomagnetic Data', 'score': 0.641049}, {'id': 'https://openalex.org/keywords/geomagnetic-field', 'display_name': 'Geomagnetic Field', 'score': 0.626367}, {'id': 'https://openalex.org/keywords/ulf-geomagnetic-variations', 'display_name': 'ULF Geomagnetic Variations', 'score': 0.606691}], 'concepts': [{'id': 'https://openalex.org/C199635899', 'wikidata': 'https://www.wikidata.org/wiki/Q6500960', 'display_name': "Earth's magnetic field", 'level': 3, 'score': 0.6930223}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.36620808}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.3624461}, {'id': 'https://openalex.org/C13280743', 'wikidata': 'https://www.wikidata.org/wiki/Q131089', 'display_name': 'Geodesy', 'level': 1, 'score': 0.32135767}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.1656889}, {'id': 'https://openalex.org/C115260700', 'wikidata': 'https://www.wikidata.org/wiki/Q11408', 'display_name': 'Magnetic field', 'level': 2, 'score': 0.04834214}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0021-9169(55)90145-8', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210190731', 'display_name': 'Journal of Atmospheric and Terrestrial Physics', 'issn_l': '0021-9169', 'issn': ['0021-9169', '1878-593X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.79, 'id': 'https://metadata.un.org/sdg/13', 'display_name': 'Climate action'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W54092546', 'https://openalex.org/W2990190748', 'https://openalex.org/W2803190316', 'https://openalex.org/W2077992583', 'https://openalex.org/W2070749825', 'https://openalex.org/W1984418398', 'https://openalex.org/W1967898317', 'https://openalex.org/W1652755428', 'https://openalex.org/W1631089669', 'https://openalex.org/W1008188974'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2999615809', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 5}, {'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 6}], 'updated_date': '2024-09-14T18:55:20.174549', 'created_date': '2020-01-23'}