{"total_count":1,"results":[{"id":42992,"original_title":"Ultrasonic investigation of mechanical properties","title_alternative":null,"title_transcription":"  ","title_alternative_transcription":null,"pub_date":"1973","statement_of_responsibility":"Robert E. Green, Jr","creators":[{"full_name":"Green, Robert E. (Robert Edward)"}],"contributors":[],"publishers":[{"full_name":"Academic Press"}],"publication_place":null,"extent":"xii, 166 p. ; 24 cm","dimensions":null,"identifiers":[{"identifier_type":"isbn","body":"9780123418036"}],"subjects":[],"classfifications":[{"classification_type":"udc","term":"621.7"}],"access_address":null,"items":[{"item_identifier":"205725","shelf":"単行書22"}],"created_at":"1901-01-01T09:00:00.000+09:00","updated_at":"2025-12-15T09:44:40.702+09:00"}]}