Proceedings 1987 Rapid Excavation and Tunneling Conference, New Orleans, Louisiana, June 14-18, 1987
| Institutionella upphovsmän: | , , |
|---|---|
| Materialtyp: | Bok |
| Språk: | English |
| Publicerad: |
Littleton, Colo.
Society of Mining Engineers
c1987.
|
| Ämnen: |


