000 00287nam a2200121Ia 4500
008 220201s1986 xx 000 0 eng d
082 _a620.11
_bBAW
100 _aBawa,HS
245 0 _aMaterials & metallurgy
260 _bTata mc graw hill pub.co.
_c1986
300 _a260
942 _2ddc
999 _c83869
_d83869