1. Information theory and an extension of the maximum likelihood principle.;Akaike,1973
2. Probability concepts in engineering planning and design;Ang,1975
3. Assessing mechanical properties of rock masses through RMR rock classification system;Aydan,2000
4. Assessment of rock mass strength for underground excavations;Aydan,1997
5. Application of Q system and index tests to estimate shear strength and deformability of rock masses;Barton,1983