000 00377nam a2200157Ia 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
891 _aGratis from Gautam H. Upadhyay
999 _c22337
_d22337