1. Hillerborg, A., Modeer, M. and Petersson, P. E., ‘Analysis of crack formation and crack growth in concrete by means of fracture and finite elements’,Cem. Concr. Res,6 (6) (1976), 773–782.
2. Hordijk, D. A., ‘Local Approach to Fatigue of Concrete’, Ph.D. Dissertation, Delft University of Technology (1991).
3. Guinea, G. V., Planas, M. and Elices, M., ‘Measurements of the fracture energy using three point bend tests: Part 1: Influence of experimental procedures’,Mat. Struct.,25 (1992), 212–218.
4. Schlangen, E., ‘Experimental and Numerical Analysis of Fracture Processes in Concrete’, Ph.D. Dissertation, Delft University of Technology, (1993).
5. Van Mier, J. G. M., ‘Fracture under complex stress’,HERON,31 (3) (1986), 1–90.