Lane, E.P. Metric Differential Geometry of Curves and Surfaces , University of Chicago Press, 1940.

Lee, Y.T., and A.A.G.Requicha. Algorithms for computing the volume and other integral properties of solids. Part 1, known methods and open issues. Communications of the ACM 25(9): 635 41, Sept. 1982a.

. Algorithms for computing the volume and other integral properties of solids. Part 2, a family of algorithms based on representation conversion and cellular approximation. Communications of the ACM 25(9): 642 50, Sept. 1982b.

Meagher, D.J. Octree generation, analysis, and manipulation. Technical Report IPL-TR-02Image Processing Laboratory, Rensselaer Polytechnic Institute, Troy, NY, Apr. 1982d.

Meriwether, H.D. Informal notes, undated.

. Personal communication, Aug. 1995.

O Neill, B. Elementary Differential Geometry, Academic Press, 1966.

Stone, M.C., and T.D. DeRose. A geometric characterization of parametric cubic curves. ACM Transactions on Graphics 8(3): 147, 1989.

Su, G., and D. Liu. An affine invariant and its application in computational geometry. Scientia Sinica (Series A) 24(3): 259, 1983.

Timmer, H.G., and J.M.Stern. Computation of global geometric properties of solid objects. Computer Aided Design 12(6), Nov. 1980.

Wang, C. Shape classification of the parametric cubic curve and parametric B-spline cubic curve. Computer Aided Design 13(4): 199 296, 198