1. Stresses and displacements surrounding an open pit in a gravity-loaded rock;Blake;U.S. Bur. Mines, Rep. Invest.,1967
2. Rock Mechanics Principles. Mines Branch Monograph 874;Coates,1970
3. Technical description of rock cores for engineering purposes;Deere;Rock Mech. Eng. Geol.,1964
4. Finite element analysis of crack initiation in a block model experiment;De Rouvray;Rock Mech.,1972
5. Introduction to the Finite Element Method;Desai,1971