1. An algorithm for drawing the curve f(x,y) = 0
2. ‘Hidden line subroutines for three-dimensional plotting’, BYTE, 49-58 (May 1978).
3. ‘A two dimensional interpolation function for irregularly spaced data’, Proc. 23rd Nat. Conf. A.C.M., 1965, pp. 517-523.
4. RW3D Program in CFNPLOT Calcomp Library for CDC computers.