Einstein, H.H., and Hirschfeld, R.C. (1973). Model studies on mechanics of jointed rock. Journal of the ASCE Soil Mechanics and Foundations Division, 99 (3), 229-248. doi:10.1061/JSFEAQ.0001859
Einstein, H.H., and Hirschfeld, R.C. (1973). Model studies on mechanics of jointed rock. Journal of the ASCE Soil Mechanics and Foundations Division, 99 (3), 229-248. doi:10.1061/JSFEAQ.0001859