著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL International Conference on Radio Spectrum Conservation Techniques and Institution of Electrical Engineers. Electronics Division,"International Conference on Radio Spectrum Conservation Techniques, 7-9 July 1980",,Institution ofElectrical Engineers,1980,IEE conference publication,,0852962177,,https://cir.nii.ac.jp/crid/1130000794840176896