00343nam a2200121 a 450000500170000002000150001708200160003210000180004824500430006626000340010930000250014349000530016820251203110244.0  a019853440X  a511.42bDIE  aDierckx, Paul  aCurve and surface fitting with splines  aOxfordbClarendon Pressc1993  axvi,285p.c22cm.bPB  aNumerical mathematics and scientific computation