000
00284nam a2200121 a 4500
003
EIA
001
3828
942
_0
2
_2
ddc
_c
BK
245
_a
Cyanidation and concentration gold and silver ores
260
_c
1936
008
141112s1936 ck r 000 u spa d
082
_a
669.962
_b
D716
999
_c
2869
_d
2869