00333nam a2200121 a 450000500170000002000150001708200170003210000250004924500410007426000480011530000300016370000180019320251203110155.0  a052163251X  a516.352bCIP  aCipolla, Roberto and  aVisual motion of curves and surfaces  aCambridgebCambridge University Pressc2000  aviiip.c184p.c23 cm H.B.  aGiblin, Peter