1. Prevention of gas leakage from unlined reservoirs in rock;Aberg,1997
2. Room and pillar stope design in highly fractured area;Bogert;Int. J. Rock Mech. Min. Sci.,1997
3. Influence of width/height ratio on post-failure behaviour of coal;Das;Int. J. Min. Geol. Eng.,1986
4. Geological considerations;Deere,1968
5. Feasibility Report Mined LP-Gas Storage Cavern for Texas Eastern Transmission Corp;Fenix,1958