1. Logging the mechanical character of rock;Franklin;Trans. Instn Min. Metall.,1971
2. Classification of Rock according to its Mechanical Properties;Franklin,1970
3. Slake-durability Test for Rocks;Chandra,1970
4. Suggested Methods for Determining the Slaking, Swelling, Porosity, Density and Related Rock Index Properties;International Society for Rock Mechanics;Commision on Standardization of Laboratory and Field Tests,1971
5. A review of the relationship of rock weathering and climate and its significance to foundation engineering;Saunders;Engng Geol.,1970