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 "Held, Gilbert",Data communications testing and troubleshooting,2nd ed,Van Nostrand Reinhold,1992,VNR computer library,,0442009909,,https://cir.nii.ac.jp/crid/1130282269637129728