000 002640000a22001210004500
245 _aExtraction metallurgy
100 _aGilchrist, J.D.
260 _aOxford
_bPergamon Press
_c1967
300 _a291 p.
080 _a669.011
_bG5
041 _aEN
942 _cBK
999 _c104690
_d104690