1. An estimation of indirect tensile and compressive strength of Ewekoro Limestone, S.W. Nigeria;Anifowose,1984
2. Standard method of test for compressive strength of rock core specimens;ASTM D-2938-79,1980
3. Principles of Engineering Geology;Attewell,1979
4. Geotechnical properties of some evaporitic rocks;Bell;Bull. Int. Assoc. Eng. Geol.,1981
5. Engineering properties of carbonate rocks;Dearman;Bull. Int. Assoc. Eng. Geol.,1981