000 00266nam a2200109Ia 4500
008 210107s9999 xx 000 0 und d
100 _aTickoo, Sham
245 0 _aUnderstanding AutoCAD 2002
260 _aNew Delhi
_bTata McGraw-Hill
300 _a------
942 _cBK
999 _c11151
_d11151