著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) KASUYA E,Mann-Whitney U test when variances are unequal,Anim Behav,,,2001,61,,1247-1249,https://cir.nii.ac.jp/crid/1573387450343068032,