000 00294nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a620.11
_bGUP
100 _aGupta,RP&Gupta,GP
245 0 _aMaterial science&processer
260 _bSunil book service
_c1975
300 _a152
942 _2ddc
999 _c83588
_d83588