Roberds, William John (1979). Numerical modelling of jointed rock. Sc.D. dissertation, Massachusetts Institute of Technology. Find in library: http://library.mit.edu/item/000101403
Roberds, William John (1979). Numerical modelling of jointed rock. Sc.D. dissertation, Massachusetts Institute of Technology. Find in library: http://library.mit.edu/item/000101403