.245
aThe Extractive Metallurgyof Gold in South Africa
hBook
.020
a0-620-10109-1
.100
aStanley, G.G.
.005
a20100928155524
.260
aJohannesburg
bThe Chamber of Mines of South Africa
c1987
.041
aIndonesia
.084
a669 STA e
.336
aBook