Rickard, T.A.
The stamp milling of gold ores - New York The Engineering and Mining Journal 1903 - 260 p. ilus.
MINERALES
MINERIA
MOLIENDA
ORO
A/622.79/R53
The stamp milling of gold ores - New York The Engineering and Mining Journal 1903 - 260 p. ilus.
MINERALES
MINERIA
MOLIENDA
ORO
A/622.79/R53