Gauss map computation for free-form surfaces. - Tait S. Smith; Rida T. Farouki (Comput. Aided Geom. Des., 2001)

Optimal slicing of free-form surfaces. - Tait S. Smith; Rida T. Farouki; Mohammad al-Kandari; Helmut Pottmann (Comput. Aided Geom. Des., 2002)