1. Friction rock stabilizers and their application to ground control problems;Scott,1974
2. An investigation of the interaction of rock and types of rock bolts for selected loading conditions;Hass;Fourth Annual Report, USBM Contract Report (H0122110),1977
3. An investigation of the interaction of rock and types of rock bolts for selected loading conditions;Haas;Third Annual Report. USBM Contract Report (H0122110),1976