000			00329nam a2200145Ia 4500
082			_a620.1 _bPAT
100			_aPatel, J. P.
245			_aMaterial science.
250			_aEd.2
260			_aAhmedabad _bAtul Prakashan _c2000-2
300			_axii, 434,iip.
700			_aUpadhayay, G. H.
890			_aIndia
999			_c22336 _d22336