Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W31012805', 'doi': None, 'title': 'Strength and related properties of plantation Red Pine grown in Indiana.', 'display_name': 'Strength and related properties of plantation Red Pine grown in Indiana.', 'publication_year': 1970, 'publication_date': '1970-01-01', 'ids': {'openalex': 'https://openalex.org/W31012805', 'mag': '31012805'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/abstracts/19700601456.html', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S128777875', 'display_name': 'Forest Products Journal', 'issn_l': '0015-7473', 'issn': ['0015-7473', '2376-9637'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4323238807', 'host_organization_name': 'Forest Products Society', 'host_organization_lineage': ['https://openalex.org/P4323238807'], 'host_organization_lineage_names': ['Forest Products Society'], 'type': 'journal'}, '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/A5103331905', 'display_name': 'Robert H. Perkins', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'R. H. Perkins', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5037734014', 'display_name': 'Francis Walz', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'F. J. Walz', 'raw_affiliation_strings': [], 'affiliations': []}], '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': 1, 'citation_normalized_percentile': {'value': 0.538243, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 60, 'max': 68}, 'biblio': {'volume': '20', 'issue': '4', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11880', 'display_name': 'Estimation of Forest Biomass and Carbon Stocks', 'score': 0.9897, 'subfield': {'id': 'https://openalex.org/subfields/2309', 'display_name': 'Nature and Landscape Conservation'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11880', 'display_name': 'Estimation of Forest Biomass and Carbon Stocks', 'score': 0.9897, 'subfield': {'id': 'https://openalex.org/subfields/2309', 'display_name': 'Nature and Landscape Conservation'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T12118', 'display_name': 'Optimization of Sustainable Biomass Supply Chains', 'score': 0.9351, 'subfield': {'id': 'https://openalex.org/subfields/2211', 'display_name': 'Mechanics of Materials'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/red-pine', 'display_name': 'Red pine', 'score': 0.49525347}, {'id': 'https://openalex.org/keywords/forest-site-productivity', 'display_name': 'Forest Site Productivity', 'score': 0.47072}, {'id': 'https://openalex.org/keywords/softwood', 'display_name': 'Softwood', 'score': 0.4251451}], 'concepts': [{'id': 'https://openalex.org/C2992673297', 'wikidata': 'https://www.wikidata.org/wiki/Q2045958', 'display_name': 'Red pine', 'level': 3, 'score': 0.49525347}, {'id': 'https://openalex.org/C97137747', 'wikidata': 'https://www.wikidata.org/wiki/Q38112', 'display_name': 'Forestry', 'level': 1, 'score': 0.48908716}, {'id': 'https://openalex.org/C2780674770', 'wikidata': 'https://www.wikidata.org/wiki/Q2266509', 'display_name': 'Hardwood', 'level': 2, 'score': 0.447864}, {'id': 'https://openalex.org/C128758860', 'wikidata': 'https://www.wikidata.org/wiki/Q757163', 'display_name': 'Woody plant', 'level': 2, 'score': 0.43043143}, {'id': 'https://openalex.org/C83608634', 'wikidata': 'https://www.wikidata.org/wiki/Q252108', 'display_name': 'Softwood', 'level': 2, 'score': 0.4251451}, {'id': 'https://openalex.org/C2910048773', 'wikidata': 'https://www.wikidata.org/wiki/Q1924659', 'display_name': 'Pinus <genus>', 'level': 2, 'score': 0.37904388}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.37041956}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.367064}, {'id': 'https://openalex.org/C54286561', 'wikidata': 'https://www.wikidata.org/wiki/Q397350', 'display_name': 'Agroforestry', 'level': 1, 'score': 0.3453601}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.3332019}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.32820827}, {'id': 'https://openalex.org/C528095902', 'wikidata': 'https://www.wikidata.org/wiki/Q2283886', 'display_name': 'Pulp and paper industry', 'level': 1, 'score': 0.30887753}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.26019555}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.15974575}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/abstracts/19700601456.html', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S128777875', 'display_name': 'Forest Products Journal', 'issn_l': '0015-7473', 'issn': ['0015-7473', '2376-9637'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4323238807', 'host_organization_name': 'Forest Products Society', 'host_organization_lineage': ['https://openalex.org/P4323238807'], 'host_organization_lineage_names': ['Forest Products Society'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Zero hunger', 'id': 'https://metadata.un.org/sdg/2', 'score': 0.79}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W969687794', 'https://openalex.org/W813168823', 'https://openalex.org/W813108836', 'https://openalex.org/W52270593', 'https://openalex.org/W347735429', 'https://openalex.org/W3135763950', 'https://openalex.org/W308424848', 'https://openalex.org/W306729800', 'https://openalex.org/W2994309109', 'https://openalex.org/W285859712', 'https://openalex.org/W262855495', 'https://openalex.org/W261365434', 'https://openalex.org/W2594074482', 'https://openalex.org/W2568033510', 'https://openalex.org/W2211369642', 'https://openalex.org/W220222982', 'https://openalex.org/W219701076', 'https://openalex.org/W2173191833', 'https://openalex.org/W1167725618', 'https://openalex.org/W1154347369'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W31012805', 'counts_by_year': [], 'updated_date': '2024-09-19T14:20:22.580416', 'created_date': '2016-06-24'}