000 00259nam a2200109Ia 4500
008 220201s1987 xx 000 0 eng d
100 _aNAT D S
245 0 _aMATERIALS AND METALLURGY
260 _aDELHI
_bKATSON PUB HOUSE
_c1987
300 _a224
942 _2ddc
999 _c90735
_d90735