Maxwell-Lefroy, E.

Wolframite mining in the Tavoy District, lower Burma. - Londres-XXK : The Institution of Mining and Metallurgy, 1915. - p. 1-18 : map. - Irregular - No. 135(Dec.1915) - Bulletin of the Institution of Mining and Metallurgy, ; No. 135 . - Reino Unido. The Institution of Mining and Metallurgy,. .


Inglés.