1. Discrete fracture propagation in rock: laboratory tests and finite element analysis;Ingraffea,1977
2. On the use of strain energy fracture criterion in the design of gears using finite element method;Ahmad;ASME Publication 77-DET-158,1977
3. A finite element fracture propagation study;Smith,1979
4. Stress singularities resulting from various boundary conditions in angular corners of plates in extension;Williams;ASME J. Appl. Mech.,1952
5. On the stress distribution at the base of a stationary crack;Williams;ASME J. Appl. Mech.,1957