1. Engineering classification of rock masses for the design of tunnel support;Barton;Rock Mech.,1974
2. Support technique for a large silo in poor rock;Nord;Rock Mech.,1983
3. Underground construction works at the Mrica Hydroelectric Power Project in Indonesia;Nord,1988
4. Performance of support systems in the Four Fathom Mudstone;Ward,1976
5. The behaviour of fully bonded rock bolts in the Kielder Experimental tunnel;Freeman;Tunnels Tunnllg,1978