Development of Integrated 3-Dimensional Computer Graphics Human Head Model. Issue 6 (13th May 2021) - Kiyofuji, Satoshi; Kin, Taichi; Kakizawa, Yukinari; Doke, Takehito; Masuda, Taisuke; Yamashita, Juli; Shono, Naoyuki; Nakatomi, Hirofumi; Morita, Akio; Harada, Kanako; Saito, Nobuhito