Farin, Gerald E. NURB curves and surfaces: from projective geometry to practical use/ Gerald E. Farin. - Wellesley, MA: A K Peters., 1995. - 229 p. : ill. ; 24 cm. ISBN: 1568810385 RM104.53 LCCN: 94-25631 Subjects--Topical Terms: Spline theory--Data processing.Computer-aided design.