Barsky, Brian A., 1954- Computer graphics and geometri modeling using beta-splines / Brian A. Barsky. - Berlin : Springer-Verlag, 1988. - 156 p. : ill. ; 25 cm. - Computer science workbench v. 2. . Bibliography : p. 133-153. ISBN: 3540700064 Subjects--Topical Terms: Computer graphics.Spline theory.