A practical method of constructing surface in three-dimensional digitized space. - Ken-ichi Anjyo; Toshio Ochi; Yoshiaki Usami; Yasumasa Kawashima (Vis. Comput., 1987)

A flexible quantitative method for NC machining verification using a space-division based solid model. - Yasumasa Kawashima; Kumiko Itoh; Tomotoshi Ishida; Shiro Nonaka; Kazuhiko Ejiri (Vis. Comput., 1991)

Acceleration of Multi-axis NC Machining Verification. - Yasumasa Kawashima; Kumiko Itoh; Kazuhiko Ejiri (PROLAMAT, 1992)