Issue No. 02 - March/April (1983 vol. 3)
Ronald Goldman , Control Data Corporation
Arising naturally in mechanical design, these shapes are easier to analyze and use in solid modeling systems than the more general quadric surfaces.
Ronald Goldman, "Quadrics of Revolution", IEEE Computer Graphics and Applications, vol. 3, no. , pp. 68-76, March/April 1983, doi:10.1109/MCG.1983.263025