000 002760000a22001210004500
008 160509b1960 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a546.3
_bI9
942 _cBK
100 _aIves, D.J.G.
245 _aPrinciples of the extraction of metals
260 _c1960
999 _c8907
_d8907