Quart-parametric interpolations for intersecting paths. - Hai-Yin Xu; Hon-Yuen Tam; Xiongbing Fang; Li'an Hu (Comput. Aided Des., 2009)

A second-order algorithm for curve orthogonal projection onto parametric surface. - Hai-Yin Xu; Xiongbing Fang; Hon-Yuen Tam; Xiaofeng Wu; Li'an Hu (Int. J. Comput. Math., 2012)