Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W616988368', 'doi': None, 'title': 'GREAT LAKES PORTS ENJOYING UPWARD TONNAGE TREND', 'display_name': 'GREAT LAKES PORTS ENJOYING UPWARD TONNAGE TREND', 'publication_year': 1977, 'publication_date': '1977-04-01', 'ids': {'openalex': 'https://openalex.org/W616988368', 'mag': '616988368'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://trid.trb.org/view/72142', '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/A5070302215', 'display_name': 'John Jursa', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'J J Jursa', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5070302215'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': None, 'cited_by_percentile_year': {'min': 0, 'max': 56}, 'biblio': {'volume': '87', 'issue': '4', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': None, 'topics': [], 'keywords': [{'id': 'https://openalex.org/keywords/tonnage', 'display_name': 'Tonnage', 'score': 0.91257787}], 'concepts': [{'id': 'https://openalex.org/C36656581', 'wikidata': 'https://www.wikidata.org/wiki/Q491774', 'display_name': 'Tonnage', 'level': 2, 'score': 0.91257787}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.3412124}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.1923796}, {'id': 'https://openalex.org/C111368507', 'wikidata': 'https://www.wikidata.org/wiki/Q43518', 'display_name': 'Oceanography', 'level': 1, 'score': 0.13380888}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://trid.trb.org/view/72142', '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/W822037859', 'https://openalex.org/W659508118', 'https://openalex.org/W657323037', 'https://openalex.org/W650062258', 'https://openalex.org/W616692971', 'https://openalex.org/W585936200', 'https://openalex.org/W570353685', 'https://openalex.org/W568230194', 'https://openalex.org/W560276681', 'https://openalex.org/W3195692428', 'https://openalex.org/W2585693423', 'https://openalex.org/W2515020537', 'https://openalex.org/W2274418358', 'https://openalex.org/W2206933008', 'https://openalex.org/W2136333966', 'https://openalex.org/W2095906795', 'https://openalex.org/W2023172140', 'https://openalex.org/W2007149450', 'https://openalex.org/W1551174409', 'https://openalex.org/W1538106861'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W616988368', 'counts_by_year': [], 'updated_date': '2024-09-19T01:42:55.791724', 'created_date': '2016-06-24'}