{"total_count":1,"results":[{"id":33766,"original_title":"Digital Processing of signals","title_alternative":null,"title_transcription":"Digital Processing of signals","title_alternative_transcription":null,"pub_date":"1969-01-01","statement_of_responsibility":null,"creators":[{"full_name":"Bernard Gold Chailes m.Rader"}],"contributors":[],"publishers":[{"full_name":"Mcgraw−Hill"}],"publication_place":null,"extent":"269p; 24cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[{"classification_type":"udc","term":"621.39"}],"access_address":null,"items":[{"item_identifier":"205670","shelf":"Books 22"}],"created_at":"1999-05-19T08:00:55.000+09:00","updated_at":"2025-12-15T09:44:32.113+09:00"}]}