1. Ground response curves for rock tunnels;Brown;J. Geotech. Eng.,1983
2. FLAC Basics;Coetzee,1993
3. Explicit finite difference methods in geomechanics;Cundall;Proc. EF Conf. Numerical Methods Geomech., Blacksburg, Virginia,1976
4. Distinct element models of rock and soil structure;Cundall,1986
5. Underground Excavations in Rock;Hoek,1980