00265nam a2200109Ia 4500100001900000654002600019245004400045260003300089082001300122300000800135546001200143  aRogers/ Adams   aMathematical elements  aMathematical Elements for Comp graphics  bMc Graw HillaNew Yorkc1990  a6.6bPAN  a630  aENGLISH