@article{oai:nagoya.repo.nii.ac.jp:00031523, author = {Yamashita, Tohru and Tsuda, Motohisa}, issue = {1}, journal = {Memoirs of the Faculty of Engineering, Nagoya University}, month = {Sep}, pages = {36--41}, title = {Some observation on "Voicing Area" in vocalization phenomena}, volume = {6}, year = {1954} }