1. Geotechnical properties of the carboniferous limestone of the Bristol area the influence of petrography and chemistry;Al-Jassar,1979
2. Standard Test Method of Unconfined Compressive Strength of Intact Rock Core Specimens;ASTM,1986
3. Standard Test Method for Determination of the Point Load Strength Index of Rock;ASTM,2005
4. Mechanical characterization of schistose rocks;Basu,2012
5. Point load test on schistose rocks and its applicability in predicting uniaxial compressive strength;Basu;Int. J. Rock Mech Min. Sci.,2010