1. Earthquake engineering of large underground structures;Owen,1981
2. Monitoring the influence of blasting on the performance of rock bolts at Penmaenbach tunnel;Littlejohn,1987
3. Dynamic response of rock bolt systems;Littlejohn,1989
4. Response of grouted roof bolts to blast loading;Otuonye;Int. J. Rock Mech. Min. Sci. & Geomech. Abstr.,1988