@article{oai:nagoya.repo.nii.ac.jp:02001777,
 author = {OCHIAI, Yoshiyuki and FUKUMURA, Teruo},
 issue = {2},
 journal = {Memoirs of the Faculty of Engineering, Nagoya University},
 month = {Feb},
 pages = {316--320},
 title = {Introductory to the timbre study of forced vocalics},
 volume = {9},
 year = {1958}
}