1. Fracture Mechanics: Fundamentals and Applications;Anderson,2005
2. Advanced Fracture Mechanics;Kanninen,1985
3. Fundamentals of Fracture Mechanics;Knott,1973
4. Widths of hydraulic fractures;Perkins;J. Petrol. Tech.,1961
5. Formation of vertical fractures by means of highly viscous fluids;Khristianovic,1955