1. Abu Sayed AS, Brechtel CE (1976) Experimental investigation of the effects of size on the uniaxial compression strength of Cedar City Quartz Diorite. In: 17th US symposium on rock mechanics, 5D6, pp 1–9
2. Bieniawski ZT (1968) The effect of specimen size on compressive strength of coal. Int J Rock Mech Min Sci 5:325–335
3. Deere DU, Miller RP (1966) Engineering classification and index properties for intact rock, Air Force Weapons Laboratory Technical Report AFWL-TR-65-116, p 277
4. Einstein HH, Baecher GB, Hirschfeld RC (1970) The effect of size or the strength of a brittle rock. In: Proceedings of 2nd international congress on rock mechanics, Belgrade, vol 2, pp 7–13
5. Freidel MJ, Thill RE (1990) Stress determination in rock using the Kaiser Effect. Report Investigation No. 9286, United State Bureau of Mines, p 20