1. van Uchelen, H.: Oscillation problems with water towers. De Ingenieur 9 (1970) B13?17 (in Dutch)
2. Report SP-106;H. N. Abramson,1966
3. Steenbergen, A. J.; den Hond, C. H.: Steel water tower in Amsterdam. Bouw 50 (1968) 2022?2025 (in Dutch)
4. Stoker, J. J.: Waterwaves, Chap. 2. New York: Int. Publ. Inc. 1957
5. Dieterman, H. A.: Liquid-movements in rectangular tanks. TH Delft Dept. Civ. Eng. (1982) 11?13 (in Dutch)