Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W601241294', 'doi': None, 'title': 'The construction of the railroads of Central America', 'display_name': 'The construction of the railroads of Central America', 'publication_year': 1971, 'publication_date': '1971-01-01', 'ids': {'openalex': 'https://openalex.org/W601241294', 'mag': '601241294'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/ncid/BA83665321', '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/A5032652934', 'display_name': 'Delmer Gerrard Ross', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Delmer Gerrard Ross', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5032652934'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 2, 'citation_normalized_percentile': {'value': 0.727025, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 66, 'max': 71}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T14442', 'display_name': 'History of Science and Technology Development', 'score': 0.8196, 'subfield': {'id': 'https://openalex.org/subfields/1207', 'display_name': 'History and Philosophy of Science'}, 'field': {'id': 'https://openalex.org/fields/12', 'display_name': 'Arts and Humanities'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, 'topics': [{'id': 'https://openalex.org/T14442', 'display_name': 'History of Science and Technology Development', 'score': 0.8196, 'subfield': {'id': 'https://openalex.org/subfields/1207', 'display_name': 'History and Philosophy of Science'}, 'field': {'id': 'https://openalex.org/fields/12', 'display_name': 'Arts and Humanities'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T14312', 'display_name': 'History and Culture of Central America and Caribbean', 'score': 0.7569, 'subfield': {'id': 'https://openalex.org/subfields/1202', 'display_name': 'History'}, 'field': {'id': 'https://openalex.org/fields/12', 'display_name': 'Arts and Humanities'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T14108', 'display_name': 'Pharmacological and Forensic Studies in Healthcare', 'score': 0.7009, 'subfield': {'id': 'https://openalex.org/subfields/3004', 'display_name': 'Pharmacology'}, 'field': {'id': 'https://openalex.org/fields/30', 'display_name': 'Pharmacology, Toxicology and Pharmaceutics'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/central-america', 'display_name': 'Central America', 'score': 0.522175}], 'concepts': [{'id': 'https://openalex.org/C144133560', 'wikidata': 'https://www.wikidata.org/wiki/Q4830453', 'display_name': 'Business', 'level': 0, 'score': 0.39721024}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.33316094}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/ncid/BA83665321', '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/W637908974', 'https://openalex.org/W624784612', 'https://openalex.org/W599119774', 'https://openalex.org/W595833544', 'https://openalex.org/W592198471', 'https://openalex.org/W364197624', 'https://openalex.org/W3004763533', 'https://openalex.org/W2893309838', 'https://openalex.org/W2883065490', 'https://openalex.org/W2815781481', 'https://openalex.org/W2800479583', 'https://openalex.org/W2797463249', 'https://openalex.org/W2788145388', 'https://openalex.org/W2319019786', 'https://openalex.org/W2305581957', 'https://openalex.org/W2156516629', 'https://openalex.org/W2040783523', 'https://openalex.org/W2035430051', 'https://openalex.org/W1992264655', 'https://openalex.org/W1575536381'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W601241294', 'counts_by_year': [{'year': 2022, 'cited_by_count': 1}], 'updated_date': '2024-09-16T23:14:36.622558', 'created_date': '2016-06-24'}