1. Recent experiences with the Q-system of tunnel support design;Barton,1976
2. Rock mass classification in rock engineering;Bieniawski,1976
3. Design of surface and near surface construction in rock;Deere,1966
4. Design of perimeter blasthole patterns to prevent rock damage;Holmberg;Tunnelling 1979,1979
5. ICI's computer blasting model SABREX—Basic Principles and Capabilities;Kirby,1987