000 00290nam a2200121Ia 4500
008 220201s1991 xx 000 0 eng d
082 _a620.11
_bKHA
100 _aKhanna, OP
245 0 _aMaterial science & metallutgy
260 _bDhanpat Rai & sons
_c1991
300 _a728
942 _2ddc
999 _c84585
_d84585