1. Rock Fracture Mechanics—Principles, Design, and Applications;Whittaker,1992
2. On the fracture toughness of coal;Szendi-Horvath;Australian J. Coal Mining Technol. Res.,1982
3. Use of fracture toughness testing in characterising the comminution potential of rock;Bearman,1989
4. Prediction of power consumption and product size in cone crushing;Bearman;Min. Engng,1991