1. 1) Bachmenn, H.: From Full to Partial Prestressing, Prestressed Concrete in Switzerland for 9th FIP Congress, Stockholm, 1982.
2. 2) Kulka, F., Lin, T. Y., Chow, P. Y.: Economy and Behaviour of Structures Designed with Partial Prestessing, Proceedings FIP Symposium on Partial Prestressing, Bucharest, 1980.
3. 3) Leonhardt, F.: Partial Prestressing Improves Serviceability, Proceedings FIP Symposium on Partial Prestressing, Bucharest, 1980.
4. 4) Inomata, S.: Conclusions on the FIP Symposium on Partial Prestressing, Bucharest, Sept. 1980, FIP Notes No. 90, Jan. -Feb. 1981.
5. 5) Bachmann, H.: Partial Prestressing of Concrete Structures, IABSE Surveys, S-11/79, Nov. 1979.