{"total_count":1,"results":[{"id":38009,"original_title":"Tentative Specification for Mild Steel Covered Arc-Weldindg Electrodes","title_alternative":null,"title_transcription":"  ","title_alternative_transcription":null,"pub_date":"1957-01-01","statement_of_responsibility":null,"creators":[],"contributors":[],"publishers":[{"full_name":"American Welding Society (AWS) / American Society for Testing and Materials (ASTM)"}],"publication_place":null,"extent":"26p; 23cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[{"classification_type":"udc","term":"621.791.042"}],"access_address":null,"items":[{"item_identifier":"206818","shelf":"Books 23"}],"created_at":"1901-01-01T09:00:00.000+09:00","updated_at":"2025-12-15T09:45:42.479+09:00"}]}