1. Analysis of crack formation and crack growth in concrete by means of fracture mechanics and finite elements;Hillerborg;Cement and Concrete Research,1976
2. Concrete fracture via stress—strain relations;Bazant,1981
3. Magge, M. & Hammer, T. A., Modifisen portlandsement delrapport 3 fasthetsutvikling og E-modulus, Norwegian Institute of Technology, Trondheim, report STF65 A85041.
4. Properties of high strength concrete subjected to short-term loads;Carrasquillo;Journal of the Concrete Institute,1981
5. The effect of specimen size on the fracture energy of concrete;Mindess;Cement and Concrete Research,1984