1. Effect of water saturation history on the strength of low-porosity rocks, soil specimen preparation for laboratory testing;Ballivy;ASTM,1976
2. Broch E. Changes in rock strength by water. In: Proc 4th cong int soc rock mech, Montreux, 1979;1:71–5.
3. Colback PSB, Wild BL. The influence of moisture content on the compressive strength of rock. In: Proc 3rd Canad rock mech symp 1965;65–83.
4. Effect of humidity on tensile strength of sandstone;Dube;J Mines Met Fuels,1972
5. Effects of water on rock strength in a brittle regime;Masuda;J Struct Geol,2001