1. Trace length biases in joint surveys;References Baecher;ARMA US Rock Mechanics/Geomechanics Symposium (ARMA-78),1978
2. Statistical analysis of rock mass fracturing;G B Baecher;Journal of the International Association for Mathematical Geology,1983
3. Engineering classification of rock masses for the design of tunnel support;N Barton;Rock mechanics,1974
4. Estimation of support requirements for underground excavations;N Barton;ARMA US Rock Mechanics/Geomechanics Symposium (ARMA-75),1975