1. Analysis of pillar stability on steeply pitching seam using the finite element method;Kripakov;USBM RI 8579,1981
2. Improving longwall entry development and operation;Euler,1979
3. Effect of end constraint on the compressive strength of model rock pillar;Babcock;Trans. AIME,1969
4. Review of pillar design equations including the effects of constraint;Babcock,1981
5. Crackgrowth and faulting in cylindrical specimens of Chelmsford granite;Peng;Int. J. Rock Mech. Min. Sci.,1972