Solid model in geometric modelling system: HICAD. - Shinji Tokumasu; Yoshio Kunitomo; Yoshimi Ohta; Shigeru Yamamoto; Norihiro Nakajima (DAC, 1983)

An Automated Finite Polygon Division Method for 3-D Objects. - Yoshimi Ota; Hiroshi Arai; Shinji Tokumasu; Toshio Ochi (IEEE Computer Graphics and Applications, 1985)