Dades bibliogràfiques
| Autor corporatiu: |
Tunnel and Shaft Conference, Minneapolis,
American Society of Civil Engineers,
Society of Mining Engineers of AIME,
University of Minnesota. School of Mineral and Metallurgical Engineering,
Minnesota. University. Dept. of Civil Engineering |
| Altres autors: |
Yardley, Donald H., 1917-
(ed.) |
| Format: | Actes de congresos
Llibre
|
| Idioma: | English |
| Publicat: |
New York,
Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers,
1970.
|
| Matèries: | |