000			00322nam a2200145Ia 4500
008			220926s9999 xx 000 0 und d
100			_aR.B.Gupta
245		0	_aMaterial Science
250			_a11th Ed
260			_aNew Delhi
260			_bSatya Prakashan
260			_c2002
650			_aMaterial Science
942			_cBK
999			_c19646 _d19646