000 00282nam a2200121Ia 4500
008 220201s1998 xx 000 0 eng d
082 _a620.11
_bNAT
100 _aNat,DS
245 0 _aMaterial and metallurgy
260 _bDelhi:Kataria & sons
_c1998
300 _a228
942 _2ddc
999 _c87137
_d87137