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 "Casad, Eugene H.",Dialect intelligibility testing,,Summer Institute of Linguistics of the University of Oklahoma,1974,Summer Institute of Linguistics publications in linguistics and related fields,,0883120402,,https://cir.nii.ac.jp/crid/1130000794459987328