Mining and upgrading of brown coal in Europe : developments and prospects

prepared by the Secretariat of the Economic Commission for Europe
Bok Engelsk 1957


Utgitt	Geneva : United Nations , 1957
Omfang	1 b. (flere pag.)
Opplysninger	"United Nations publication. Sales no. : 1957.II.E/Mim.20."
Emner	Coal mines and mining - Europe Lignite - Europe

Biblioteksøk