Hardrock tunnel boring machines

Bernhard Maidl ... [et al.] ; in co-operation with Gerhard Wehrmeyer and Marcus Derbort
Bok · Engelsk · 2008

Annen tittel	Hardrock Mining, the 1872 Law, and the U.S. Economy
Utgitt	Berlin : Ernst & Sohn , c2008
Omfang	XIII, 343 s. : ill.
Emner	Tunnelboring
ISBN	9783433016763