000 00269nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aGeorge Omura
245 _aMastering Autocad 13 for Windows 2nd ed.
260 _bBPB Publications
260 _c1997
300 _a1253 P.,
999 _c951
_d951