000 00261nam a2200109Ia 4500
008 220201s2000 xx 000 0 eng d
100 _aMathur,SB
245 0 _aT.B of Engineering Drawing
260 _bNew Delhi:Vikash Pub.
_c2000
300 _a600
942 _2ddc
999 _c87402
_d87402