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. Retrieved from http://cedb.asce.org/CEDBsearch/record.jsp?dockey=0020175
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. Retrieved from http://cedb.asce.org/CEDBsearch/record.jsp?dockey=0020175