1. Surfaces in computer aided geometric design: A survey with new results;Barnhill;Computer Aided Geometric Design,1985
2. Interpolation to arbitrary data on a surface;Barnhill,1987
3. Surfaces defined on surfaces;Barnhill;Computer Aided Geometric Design,1990
4. A comparison of nine surfaces on surfaces methods;Barnhill,1990
5. Methods for constructing surfaces on surfaces;Barnhill,1991