1. Effects of large changes in strain-rate in the experimental deformation of Yule marble;Heard;J. Geol.,1963
2. The compressive strength of coal measure rocks;Price;Colliery Engng,1960
3. The Influence of Moisture Content on the Compressive Strength of Rocks;Colback,1965
4. Rutter E.H. This issue, p. 191.
5. Transition from brittle to ductile behaviour in Solenhofen limestone as a function of temperature, confining pressure and interstitial fluid pressure;Heard;Mem. geol. Soc. Am.,1960