000 00293nam a2200133Ia 4500
100 _aGUPTA A K and GUPTA R C
650 _aMaterial Science
365 _cRS
365 _d1
942 _cENGBK
245 _aMaterial Science
260 _bS Chand and Company
_c1983
_aNew Delhi
300 _a554PP
999 _c8919
_d8919