Proposed department of minerals and metals.
- Londres-XXK : The Institution of Mining and Metallurgy, 1916.
- p. 3-6
- Irregular
- No. 144(Sep.1916)
- Bulletin of the Institution of Mining and Metallurgy, ; No. 144 .
- Reino Unido. The Institution of Mining and Metallurgy,. .
Inglés.
Inglés.