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 "Steensland, Lars",A method for measuring perceptual distances between different vowel qualities : some identification tests using Russian /e/ variants and Swedish subjects,,Almqvist & Wiksell International,1981,Acta Universitatis Upsaliensis,,9155412009,,https://cir.nii.ac.jp/crid/1130282270053606016