Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1638842865', 'doi': 'https://doi.org/10.1038/197525a0', 'title': 'Non-Linear Oscillations', 'display_name': 'Non-Linear Oscillations', 'publication_year': 1963, 'publication_date': '1963-02-01', 'ids': {'openalex': 'https://openalex.org/W1638842865', 'doi': 'https://doi.org/10.1038/197525a0', 'mag': '1638842865'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1038/197525a0', 'pdf_url': 'https://www.nature.com/articles/197525a0.pdf', 'source': {'id': 'https://openalex.org/S137773608', 'display_name': 'Nature', 'issn_l': '0028-0836', 'issn': ['0028-0836', '1476-4687'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319908', 'host_organization_name': 'Nature Portfolio', 'host_organization_lineage': ['https://openalex.org/P4310319908', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Nature Portfolio', 'Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://www.nature.com/articles/197525a0.pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5000952440', 'display_name': 'L. S. GODDARD', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'L. S. GODDARD', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5000952440'], 'corresponding_institution_ids': [], 'apc_list': {'value': 9750, 'currency': 'EUR', 'value_usd': 11690, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 43.847, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 1051, 'citation_normalized_percentile': None, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '197', 'issue': '4867', 'first_page': '525', 'last_page': '525'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': None, 'topics': [], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.41409087}, {'id': 'https://openalex.org/C61696701', 'wikidata': 'https://www.wikidata.org/wiki/Q770766', 'display_name': 'Engineering physics', 'level': 1, 'score': 0.37186944}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.32715255}, {'id': 'https://openalex.org/C187736073', 'wikidata': 'https://www.wikidata.org/wiki/Q2920921', 'display_name': 'Management', 'level': 1, 'score': 0.32575825}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.32085103}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.14038378}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1038/197525a0', 'pdf_url': 'https://www.nature.com/articles/197525a0.pdf', 'source': {'id': 'https://openalex.org/S137773608', 'display_name': 'Nature', 'issn_l': '0028-0836', 'issn': ['0028-0836', '1476-4687'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319908', 'host_organization_name': 'Nature Portfolio', 'host_organization_lineage': ['https://openalex.org/P4310319908', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Nature Portfolio', 'Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1038/197525a0', 'pdf_url': 'https://www.nature.com/articles/197525a0.pdf', 'source': {'id': 'https://openalex.org/S137773608', 'display_name': 'Nature', 'issn_l': '0028-0836', 'issn': ['0028-0836', '1476-4687'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319908', 'host_organization_name': 'Nature Portfolio', 'host_organization_lineage': ['https://openalex.org/P4310319908', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Nature Portfolio', 'Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W54078636', 'https://openalex.org/W3148032049', 'https://openalex.org/W3105167352', 'https://openalex.org/W3084825885', 'https://openalex.org/W2954470139', 'https://openalex.org/W2935759653', 'https://openalex.org/W2902782467', 'https://openalex.org/W2298861036', 'https://openalex.org/W2271181815', 'https://openalex.org/W1501425562'], 'abstract_inverted_index': {'Nonlinear': [0], 'Oscillations': [1], 'By': [2], 'Dr.': [3], 'Nicholas': [4], 'Minorsky.': [5], 'Pp.': [6], 'xviii': [7], '+': [8], '714.': [9], '(Princeton,': [10], 'N.J.:': [11], 'D.': [12, 18], 'Van': [13, 19], 'Nostrand': [14, 20], 'Company,': [15, 21], 'Inc.;': [16], 'London:': [17], 'Ltd.,': [22], '1962.)': [23], '107s.': [24]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1638842865', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 4}, {'year': 2022, 'cited_by_count': 8}, {'year': 2021, 'cited_by_count': 8}, {'year': 2020, 'cited_by_count': 11}, {'year': 2019, 'cited_by_count': 9}, {'year': 2018, 'cited_by_count': 4}, {'year': 2017, 'cited_by_count': 9}, {'year': 2016, 'cited_by_count': 9}, {'year': 2015, 'cited_by_count': 11}, {'year': 2014, 'cited_by_count': 14}, {'year': 2013, 'cited_by_count': 16}, {'year': 2012, 'cited_by_count': 7}], 'updated_date': '2024-09-18T12:10:54.287208', 'created_date': '2016-06-24'}