Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1988759503', 'doi': 'https://doi.org/10.1007/bf00562246', 'title': 'Free librations of the moon determined by an analysis of laser range measurements', 'display_name': 'Free librations of the moon determined by an analysis of laser range measurements', 'publication_year': 1976, 'publication_date': '1976-01-01', 'ids': {'openalex': 'https://openalex.org/W1988759503', 'doi': 'https://doi.org/10.1007/bf00562246', 'mag': '1988759503'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf00562246', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210220605', 'display_name': 'The Moon', 'issn_l': '0027-0903', 'issn': ['0027-0903', '2214-7101'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], '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/A5013907188', 'display_name': 'O. Calame', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210112630', 'display_name': 'Laboratoire d’Études en Géophysique et Océanographie Spatiales', 'ror': 'https://ror.org/02chvqy57', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I134560555', 'https://openalex.org/I2799535048', 'https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210112630', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210166444']}], 'countries': ['FR'], 'is_corresponding': True, 'raw_author_name': 'Odile Calame', 'raw_affiliation_strings': ["Centre d'Etudes et de Recherches Géodynamiques et Astronomiques, Grasse, France"], 'affiliations': [{'raw_affiliation_string': "Centre d'Etudes et de Recherches Géodynamiques et Astronomiques, Grasse, France", 'institution_ids': ['https://openalex.org/I4210112630']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5013907188'], 'corresponding_institution_ids': ['https://openalex.org/I4210112630'], 'apc_list': None, 'apc_paid': None, 'fwci': 4.86, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 50, 'citation_normalized_percentile': {'value': 0.941454, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 94, 'max': 95}, 'biblio': {'volume': '15', 'issue': '3-4', 'first_page': '343', 'last_page': '352'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10406', 'display_name': 'Exploration and Study of Mars', 'score': 0.9987, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10406', 'display_name': 'Exploration and Study of Mars', 'score': 0.9987, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10325', 'display_name': 'Formation and Evolution of the Solar System', 'score': 0.9975, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10039', 'display_name': 'Stellar Astrophysics and Exoplanet Studies', 'score': 0.9672, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/longitude', 'display_name': 'Longitude', 'score': 0.6035419}, {'id': 'https://openalex.org/keywords/moment-of-inertia', 'display_name': 'Moment of inertia', 'score': 0.5344272}, {'id': 'https://openalex.org/keywords/martian-atmosphere', 'display_name': 'Martian Atmosphere', 'score': 0.442141}], 'concepts': [{'id': 'https://openalex.org/C13280743', 'wikidata': 'https://www.wikidata.org/wiki/Q131089', 'display_name': 'Geodesy', 'level': 1, 'score': 0.70538104}, {'id': 'https://openalex.org/C2780554747', 'wikidata': 'https://www.wikidata.org/wiki/Q36477', 'display_name': 'Longitude', 'level': 3, 'score': 0.6035419}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.593941}, {'id': 'https://openalex.org/C180205008', 'wikidata': 'https://www.wikidata.org/wiki/Q159190', 'display_name': 'Amplitude', 'level': 2, 'score': 0.5394687}, {'id': 'https://openalex.org/C10238366', 'wikidata': 'https://www.wikidata.org/wiki/Q165618', 'display_name': 'Moment of inertia', 'level': 2, 'score': 0.5344272}, {'id': 'https://openalex.org/C2779919027', 'wikidata': 'https://www.wikidata.org/wiki/Q62832', 'display_name': 'Observatory', 'level': 2, 'score': 0.4392815}, {'id': 'https://openalex.org/C122523270', 'wikidata': 'https://www.wikidata.org/wiki/Q34027', 'display_name': 'Latitude', 'level': 2, 'score': 0.43735856}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.38722456}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.34048757}, {'id': 'https://openalex.org/C1276947', 'wikidata': 'https://www.wikidata.org/wiki/Q333', 'display_name': 'Astronomy', 'level': 1, 'score': 0.2999672}, {'id': 'https://openalex.org/C74650414', 'wikidata': 'https://www.wikidata.org/wiki/Q11397', 'display_name': 'Classical mechanics', 'level': 1, 'score': 0.23035374}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf00562246', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210220605', 'display_name': 'The Moon', 'issn_l': '0027-0903', 'issn': ['0027-0903', '2214-7101'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], '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': 9, 'referenced_works': ['https://openalex.org/W1966381659', 'https://openalex.org/W2035242347', 'https://openalex.org/W2037657054', 'https://openalex.org/W2039129181', 'https://openalex.org/W2059499631', 'https://openalex.org/W2062152263', 'https://openalex.org/W2091537571', 'https://openalex.org/W2915591081', 'https://openalex.org/W3097470723'], 'related_works': ['https://openalex.org/W4253748066', 'https://openalex.org/W3134584307', 'https://openalex.org/W2992184705', 'https://openalex.org/W2503001083', 'https://openalex.org/W2388796632', 'https://openalex.org/W2387115596', 'https://openalex.org/W2355133164', 'https://openalex.org/W2135892587', 'https://openalex.org/W2085468475', 'https://openalex.org/W1989338039'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1988759503', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 3}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 3}, {'year': 2013, 'cited_by_count': 3}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-09-23T22:45:28.580330', 'created_date': '2016-06-24'}