00301nam a2200121Ia 4500008004100000100002300041245004700064250000600111260002100117260000900138300000800147650002400155221231s9999    xx            000 0 und d  aXiang , Zhigang   0aTheory and Problems of Computer  Graphics  a2  bTata McGraw-Hill  c2004  a347  aInformation Science