1. Analysis of tunnel stability by the Convergence-Confinement Method;AFTES, French Association for Underground Works;Underground Space,1978
2. An Introduction to the Mechanics of Soils and Foundations;Atkinson,1993
3. Rock mass classification in rock engineering;Bieniawski,1976
4. Rock Mechanics for Underground Mining;Brady,1985
5. Ground response curves for rock tunnels;Brown;ASCE J. Geotech. Eng. Div.,1983