@article{oai:nagoya.repo.nii.ac.jp:02001754,
 author = {FUKUMURA, Teruo and OCHIAI, Yoshiyuki},
 issue = {1},
 journal = {Memoirs of the Faculty of Engineering, Nagoya University},
 month = {Sep},
 note = {This is a part of loudness study on the so-called pitched timbre attempted on a loudness comparison between vowels within voices. Five sustained oral vowels are discriminated in respect of their loudness. It is shown that speech-sounds well matched in VU level with respect to vowel as well as voice for the purpose of timbre study of vocalic voices, are not always matched in loudness.},
 pages = {61--65},
 title = {Loudness comparison between vowels within voice},
 volume = {7},
 year = {1955}
}