Issue No.06 - September (1983 vol.3)
Ronald Goldman , Control Data Corporation
In this detailed analysis of the two basic approaches to computer models for quadric surfaces, internal consistency emerges as the primary virtue of the superior model.
Ronald Goldman, "Two Approaches to a Computer Model for Quadric Surfaces", IEEE Computer Graphics and Applications, vol.3, no. 6, pp. 21-24, September 1983, doi:10.1109/MCG.1983.263208