000 00237nam a2200109Ia 4500
020 _a8120309448
082 _a006.6
100 _aHEARN, DONALD and BACKER, M.PAULINE
245 _aCOMPUTER GRAPHICS
260 _aPHI
_b PHI
_c1999
942 _cBK
999 _c422
_d422