1. Anon (1979) Classification of rocks and soils for engineering geological mapping. Part 1. Rock and soil materials. Bull Int Assoc Eng Geol 19:364–371
2. ASTM (2008a) Standard test method for slake durability of shales and similar weak rocks (D4644). Annual Book ASTM Standards, vol 04.08
3. ASTM (2008b) Standard test method for splitting tensile strength of intact rock core specimens (D3967). Annual Book ASTM Standards, vol 04.08
4. ASTM (2009) Standard guide for petrographic examination of dimension Stone (C1721). Book Standards, vol 04.07
5. ASTM (2012a) Standard test method for Standard test method for evaluation of durability of rock for erosion control under freezing and thawing conditions (D5312). Annual Book ASTM Standards, vol 04.08, pp 894–998