00266nam a2200097Ia 4500008004100000082001400041100004000055245004600095260002000141365000700161230302s9999    xx            000 0 und d  a06.601XIA  aXIANG (Zhigang)/  PLASTOCK (Roy .A)  aTheory and Problems Of Computer Graphics   aN.DELHI b TMH   cRS