The nature of ore deposits /
Beck, Richard, 1858-1919,
The nature of ore deposits / Tr. and rev. by Walter harvey weed. - 2 volúmenes
Yacimientos minerales
TN263 / B42
The nature of ore deposits / Tr. and rev. by Walter harvey weed. - 2 volúmenes
Yacimientos minerales
TN263 / B42