1. Burgoyne C. J. Rational use of advanced composites in concrete.Proceedings of the Third International Symposium on Non-Metallic (FRP) Reinforcement for Concrete Structures (FRPRCS-3), 1997, Vol. 1, Japan Concrete Institute, pp. 75?88.
2. VSL International.Detailing for Post-tensioning, VSL report series 3. VSL International, Berne, Switzerland, 1991.
3. Guyon, Y.Prestressed Concrete. F. J. Parsons, London, 1953.
4. Zielinski J. and Rowe R. E.The Stress Distribution Associated with Groups of Anchorages in Post-tensioned Concrete Members. Cement and Concrete Association Research Report 13. Oct, 1962.