{"total_count":121,"results":[{"id":41314,"original_title":"Fracture toughness","title_alternative":null,"title_transcription":"  ","title_alternative_transcription":null,"pub_date":"1969","statement_of_responsibility":null,"creators":[{"full_name":"University of Sheffield. Department of Metallurgy"}],"contributors":[],"publishers":[{"full_name":"Iron \u0026 Steel Institute"}],"publication_place":null,"extent":"vii, 106 p. ; 21 cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[{"classification_type":"udc","term":"539.4"}],"access_address":null,"items":[{"item_identifier":"202139","shelf":"Books 12"}],"created_at":"1901-01-01T09:00:00.000+09:00","updated_at":"2025-12-15T09:33:36.094+09:00"}]}