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 "Boer, Elisabeth M. de",The historical development of Japanese tone : from proto-Japanese to the modern dialects : the introduction and adaptation of the Middle Chinese tones in Japan,,Harrassowitz,2010,Veröffentlichungen des Ostasien-Instituts der Ruhr-Universität Bochum,,9783447062824,,https://cir.nii.ac.jp/crid/1130282270255473920