Proceedings : 1989 Rapid Excavation and Tunneling Conference, Los Angeles, California, June 11-14, 1 - detaljert visning

Proceedings : 1989 Rapid Excavation and Tunneling Conference, Los Angeles, California, June 11-14, 1989


Utgitt	Littleton, Colo. : Society for Mining, Metallurgy, and Exploration , 1989
Omfang	XII, 881 s.
Emner	Tunnelboring Tunnelbygging
ISBN	0873350839