{"total_count":1,"results":[{"id":35413,"original_title":"Signal processing using analog and digital techniques","title_alternative":"","title_transcription":"Signal Processing Using Analog and Digital Techniques  ","title_alternative_transcription":null,"pub_date":"1973","statement_of_responsibility":"[by] K. G. Beauchamp ; with a foreword by I. Maddock","creators":[{"full_name":"Beauchamp, K. G."}],"contributors":[],"publishers":[{"full_name":"G. Allen and Unwin"}],"publication_place":"","extent":"547 p. ; 24 cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[{"classification_type":"udc","term":"621.391"}],"access_address":"","items":[{"item_identifier":"208429","shelf":"単行書22"}],"created_at":"1999-05-19T08:26:36.000+09:00","updated_at":"2026-03-17T13:19:08.239+09:00"}]}