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
"Pfaltz, John L. and Rosenfeld, Azriel",Web grammars,,"University of Maryland, Computer Science Center",1969,Technical report,,,,https://cir.nii.ac.jp/crid/1130000794569050624