Canadian Rock Mechanics Symposium Edmonton, Alberta. (1972). Proceedings of the 7th Canadian Rock Mechanics Symposium: Edmonton, March 1971. Department of Energy, Mines and Resources.
Chicago-Zitierstil (17. Ausg.)Canadian Rock Mechanics Symposium Edmonton, Alberta. Proceedings of the 7th Canadian Rock Mechanics Symposium: Edmonton, March 1971. Ottawa: Department of Energy, Mines and Resources, 1972.
MLA-Zitierstil (9. Ausg.)Canadian Rock Mechanics Symposium Edmonton, Alberta. Proceedings of the 7th Canadian Rock Mechanics Symposium: Edmonton, March 1971. Department of Energy, Mines and Resources, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.