000 00275nam a2200121Ia 4500
008 220201s1987 xx 000 0 eng d
100 _aSINHA A K
245 0 _aPOWER METALLURGY
250 _a2
260 _aDELHI
_bDHANPAT RAI AND SONS
_c1987
300 _a292
942 _2ddc
999 _c90636
_d90636