{"total_count":1,"results":[{"id":35953,"original_title":"A Study of Magnetic Properties of Iron-Containing Minerals","title_alternative":null,"title_transcription":"  ","title_alternative_transcription":null,"pub_date":"1971-01-01","statement_of_responsibility":null,"creators":[{"full_name":"by Jose Manuel Pastrana"}],"contributors":[],"publishers":[{"full_name":"University of Minnesota"}],"publication_place":null,"extent":"185p; 25cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[],"access_address":null,"items":[{"item_identifier":"209451","shelf":"単行書9"}],"created_at":"1999-05-19T08:34:45.000+09:00","updated_at":"2025-12-15T09:30:35.714+09:00"}]}