000 00252nam a22001097a 4500
082 _a622.1
_bRAY/E
100 _aRAY
245 _aEXTRACTION OF MONFERROUS METALS
260 _bAFFILIATED EAST WEST PRESS PVT LTD ,
_c1997
300 _a531p.
942 _cBK
999 _c21401
_d21401