000 00240nam a2200109Ia 4500
008 200701s2007 xx 000 0 eng d
100 _aRAY
245 0 _aEXTRACTION OF NON-FERROA METALAS
260 _bBEST
300 _a450
942 _2ddc
_cGE
999 _c3538
_d3538