000			00304nam a2200133Ia 4500
008			160122s9999 xx 000 0 und d
041			_aEnglish
100			_aMathur
245			_aA.T.B.of engineering Drawing
250			_a1st
260			_bDelhi:vikas pub _c1999
300			_a572p.
650			_aElectronic
999			_c276 _d276