000			00295nam a2200133Ia 4500
100			_aGUPTA A K and GUPTA R C
650			_aMaterial Science
365			_cRS
365			_d1
942			_cDENGBK
245			_aMaterial Science
260			_bS Chand and Company _c1983 _aNew Delhi
300			_a558PP
999			_c8922 _d8922