1. Hugues, B. and Bahramian, B., ‘Cube tests and the uniaxial compressive strength of concrete’,Magazine of Concrete Research 17 (53) (1965) 177–182.
2. Mills, L. and Zimmerman, R., ‘Compressive strength of plain concrete under multiaxial loading conditions’,Journal of the American Concrete Institute 67 (10) (October 1970) 802–807.
3. Nojiri, Y., Kotani, K. and Abe, Y., ‘Failure envelope of concrete subjected to multiaxial compressive stresses’, in Proceedings of International Conference on Concrete Under Multiaxial conditions, Toulouse, RILEM, 1984, pp. 141–148.
4. Bulletin;H. Hilsdorf,1965
5. Kupfer, H., Hilsdorf, H. and Rusch, H., ‘Behavior of concrete under biaxial stresses’.Journal of the American Concrete Institute,66 (8) (August 1969) 656–666.