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 "Hylton, Maria O'Brien and Schmall, Lorraine A",Cases and materials on employee benefits law,,West Group,1998,American casebook series,,0314211284,,https://cir.nii.ac.jp/crid/1130282271505225984