{"total_count":1,"results":[{"id":69207,"original_title":"Unit processes of extractive metallurgy","title_alternative":null,"title_transcription":"  ","title_alternative_transcription":null,"pub_date":"1973","statement_of_responsibility":"Robert D. Pehlke","creators":[{"full_name":"Pehlke, R. D."}],"contributors":[],"publishers":[{"full_name":"American Elsevier"}],"publication_place":null,"extent":"xiv, 396 p. ; 26 cm","dimensions":null,"identifiers":[{"identifier_type":"isbn","body":"9780444001306"}],"subjects":[],"classfifications":[{"classification_type":"udc","term":"669"}],"access_address":null,"items":[{"item_identifier":"205957","shelf":"単行書25"}],"created_at":"1999-05-19T08:05:10.000+09:00","updated_at":"2025-12-15T09:48:23.114+09:00"}]}