New graphical expression of the high-speed palatographic data in study of the articulatory behaviors of the tongue. - Takao Mizutani; Kiyoshi Hashimoto; Masahiko Wakumoto; Ken-ich Michi; Hareo Hamada; Tanetoshi Miura (ICSLP, 1990)

A cross-linguistic study of lateral /s/ using electropalatography (EPG). - N. Suzuki; H. Dent; Masahiko Wakumoto; Fiona Gibbon; Ken-ich Michi; William J. Hardcastle (ICSLP, 1994)

A pressure sensitive palatography: application of new pressure sensitive sheet for measuring tongue-palatal contact pressure. - Masahiko Wakumoto; Shinobu Masaki; Kiyoshi Honda; Toshikazu Ohue (ICSLP, 1998)