{"total_count":1,"results":[{"id":70827,"original_title":"Digital signal processing","title_alternative":null,"title_transcription":"  ","title_alternative_transcription":null,"pub_date":"1975","statement_of_responsibility":"Alan V. Oppenheim, Ronald W. Schafer","creators":[{"full_name":"Oppenheim, Alan V."},{"full_name":"Schafer, Ronald W."}],"contributors":[],"publishers":[{"full_name":"Prentice-Hall"}],"publication_place":null,"extent":"xiv, 585 p. ; 24 cm","dimensions":null,"identifiers":[{"identifier_type":"isbn","body":"9780132146357"}],"subjects":[],"classfifications":[{"classification_type":"udc","term":"621.391"}],"access_address":null,"items":[{"item_identifier":"208428","shelf":"単行書22"}],"created_at":"1999-05-19T08:26:35.000+09:00","updated_at":"2025-12-15T09:44:33.635+09:00"}]}