00820nam0-22003131i-450-9900013199704033210-89871-286-6000131997FED01000131997(Aleph)000131997FED0100013199720000920d1991----km-y0itay50------baengNURBS for curve and surface designedited by Gerald Farin.PhiladelphiaSIAMc1991ix, 161 p.ill.26 cmSpline theoryCad511.42Farin,GeraldITUNINARICAUNIMARCBK990001319970403321124-A-2410817MA1MA165D17NURBS for curve and surface design383078UNINAING01