00357nam a2200145Ia 4500008004100000084001500041100002000056245002200076250002000098260001800118260000900136260002100145300001000166500003500176180424s9999    xx            000 0 und d  a510.78 H39  a"Hearn, Donald" 0aComputer Graphics  a\\198600ENGGPCX  aPrentice Hall  b1986  cEnglewood Cliffs  a352p.  aincludes index and biblioraphy