Energy resources and excavation technology
Energy resources and excavation technology
/ Proceedings 18th U S Symposium On Rock Mechanics Held At Keystone, Colorado June 22-24, 1977 Sponsored By The Colorado School Of Mines With Cooperation From U S National Committee For Rock Mechanics
- Colorado: Colorado School Of Mines Press, 1979
- xxiii, 5A5-6p.
Proceedings
620.91:624.133 / L7
Proceedings
620.91:624.133 / L7