1. Dyllong, E., Luther, W., 1999. Distance calculation between a point and a NURBS surface. In: Laurent, P.J., Sablonniere, P., Schumaker, L. (Eds.), Curve and Surface Design, Saint-Malo, pp. 55–62
2. An algorithm for projecting points onto a patched CAD model;Henshaw;Engineering with Computers,2002
3. A framework for efficient minimum distance computations;Johnson;Engineering with Computers,2002
4. Point inversion and projection for NURBS curve and surface: Control polygon approach;Ma;Computer Aided Geometric Design,2003
5. The NURBS Book;Piegl,1997