462 References
[204] G. Farin. A history of curves and surfaces in CAGD. In G. Farin,
J. Hoschek, and M.-S. Kim, editors, Handbook of 3D Modeling and
Graphics, pages 1-22. Elsevier, 2002. In preparation.
[205] G. Farin and P. Barry. A link betw^een Lagrange and Bezier curve and
surface schemes. Computer Aided Design, 18:525-528, 1986.
[206] G. Farin and H. Hagen. Optimal tv^ist estimation. In H. Hagen, editor.
Surface Design, SIAM, Philadelphia, 1992.
[207] G. Farin and D. Hansford. Discrete Coons patches. Computer Aided
Geometric Design, 16(7):691-700, 1999.
[208] G. Farin and D. Hansford. The Essentials of CAGD. AK Peters, 2000.
[209] G. Farin, D. Hansford, and A. Worsey. The singular cases for y-spline
interpolation. Computer Aided Geometric Design, 7(6):533-546, 1990.
[210] G. Farin, J. Hoschek, and M.-S. Kim, editors. Handbook of 3D Modeling
and Graphics. Elsevier, 2002. In preparation.
[211] G. Farin and D. Jung. Linear precision of rational Bezier curves. Computer
Aided Geometric Design, 12(4):431-433, 1995.
[212] G. Farin and P. Kashyap. An iterative Clough-Tocher interpolant. Math-
ematical Modelling and Numerical Analysis, 26(l):201-209, 1992.
[213] G. Farin, B. Piper, and A. Worsey. The octant of a sphere as a non-
degenerate triangular Bezier patch. Computer Aided Geometric Design,
4(4):329-332, 1988.
[214] G. Farin, G. Rein, N. Sapidis, and A. Worsey. Fairing cubic B-spline
curves. Computer Aided Geometric Design, 4(1-2):91-104, 1987.
[215] G. Farin and N. Sapidis. Curvature and the fairness of curves and surfaces.
IEEE Computer Graphics and Applications, 9(2):52-57, 1989.
[216] G. Farin and A. Worsey. Reparametrization and degree elevation of ra-
tional Bezier curves. In G. Farin, editor, NURBS for Curve and Surface
Design, pages 47-58. SIAM, 1991.
[217] R. Farouki. Exact offset procedures for simple solids. Computer Aided
Geometric Design, 2(4):257-279, 1985.
[218] R. Farouki. The approximation of non-degenerate offset surfaces. Com-
puter Aided Geometric Design, 3(l):15-43, 1986.
[219] R. Farouki. Direct surface section evaluation. In G. Farin, editor. Geo-
metric Modeling: Algorithms and New Trends, pages 319-334. SIAM,
Philadelphia, 1987.