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 Heathkit/Zenith Educational Systems (Group),Digital techniques : a step-by-step introduction,,Prentice-Hall,1983,A Spectrum book,,"0132140497,0132140314",,https://cir.nii.ac.jp/crid/1130282270621349760