Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "森, 基雄 and Mori, Motoo",Proto-Germanic Vowel System and Umlaut(III).,The Journal of Industrial Economics,0915-9789,奈良産業大学経済学会,1998-03-31,12,5,65-75,https://cir.nii.ac.jp/crid/1050564288888878208,