{"total_count":1,"results":[{"id":66381,"original_title":"Der Ultraschall und seine Anwendung in Wissenschaft und Technik","title_alternative":null,"title_transcription":"  ","title_alternative_transcription":null,"pub_date":"1954","statement_of_responsibility":"Ludwig Bergmann","creators":[{"full_name":"Bergmann, Ludwig"}],"contributors":[],"publishers":[{"full_name":"S. Hirzel"}],"publication_place":null,"extent":"xvi, 1114 p. ; 23 cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[{"classification_type":"udc","term":"534.3"}],"access_address":null,"items":[{"item_identifier":"201070","shelf":"Books 7"}],"created_at":"1999-05-19T07:25:31.000+09:00","updated_at":"2025-12-15T09:28:15.205+09:00"}]}