1. Fundamentals of Rock Mechanics;Jaeger,1979
2. Recent experimental studies of brittle fracture of rock;Brace,1966
3. Mechanism of brittle fracture of rock;Bieniwaski,1968
4. Behavior of the crushed zone in rock indentation;Lindquist;Rock Mech. Rock Engng,1983
5. A study of methods to improve the performance of drag bits used to cut hard rock;Hood,1978