000 00252nam a2200109Ia 4500
008 190516s9999 xx 000 0 und d
100 _aHARRNGTON(STEVEN)
245 0 _aCOMPUTER GRAPHICS
260 _c1987
_bNEW YORKNORTON
300 _a466
942 _cBK
999 _c17162
_d17162