{"total_count":1,"results":[{"id":77047,"original_title":"Electromagnetic fields","title_alternative":null,"title_transcription":"  ","title_alternative_transcription":null,"pub_date":"1963","statement_of_responsibility":"Sergei A. Schelkunoff","creators":[{"full_name":"Schelkunoff, S. A. (Sergei Alexander)"}],"contributors":[],"publishers":[{"full_name":"Blaisdell Pub. Co."}],"publication_place":null,"extent":"xiv, 413 p. ; 25 cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[],"access_address":null,"items":[{"item_identifier":"201670","shelf":"Books 9"}],"created_at":"1901-12-31T09:00:00.000+09:00","updated_at":"2025-12-15T09:30:43.031+09:00"}]}