Proceedings 1981 Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981
| Autores Corporativos: | , , |
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| Otros Autores: | , |
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
New York, N.Y.
Society of Mining Engineers of AIME
1981.
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| Materias: |


