{"total_count":1,"results":[{"id":126510,"original_title":"Direct Measurement of the Hyperfine Structure Interval of Positronium Using High-Power Millimeter Wave Technology","title_alternative":"","title_transcription":"","title_alternative_transcription":"","pub_date":"2015","statement_of_responsibility":"Akira Miyazaki","creators":[],"contributors":[],"publishers":[{"full_name":"Springer Japan"}],"publication_place":null,"extent":null,"dimensions":null,"identifiers":[],"subjects":[],"classfifications":[],"access_address":"https://link.springer.com/openurl?genre=book\u0026isbn=978-4-431-55606-0","items":[],"created_at":"2023-03-16T18:06:34.155+09:00","updated_at":"2023-07-14T13:24:26.392+09:00"}]}