{"total_count":31,"results":[{"id":41602,"original_title":"鉄鋼材料","title_alternative":null,"title_transcription":"テッコウ ザイリョウ","title_alternative_transcription":null,"pub_date":"1960-04","statement_of_responsibility":"今井勇之進等編","creators":[{"full_name":"今井, 勇之進"}],"contributors":[{"full_name":"今井 勇之進 [ほか]"}],"publishers":[{"full_name":"朝倉書店"}],"publication_place":null,"extent":"328p ; 22cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[{"classification_type":"udc","term":"669"}],"access_address":null,"items":[{"item_identifier":"206395","shelf":"単行書25"}],"created_at":"1901-01-01T09:00:00.000+09:00","updated_at":"2025-12-15T09:48:08.050+09:00"}]}