1. Alerstam, T. & Lindström, A. (1990): Optimal bird migration: The relative importance of time, energy, and safety. In: Gwinner, E. (Ed.): Bird migration: 331–351. Berlin.
2. Allan, D. (1989): Results of a national stork counting weekend in South Africa. In: Rheinwald, G., Ogden, J. & Schulz, H. (Eds.): Weißstorch — White Stork. Proc. I Internat. Stork Conserv. Symp. Schriftener. DDA 10: 365–371.
3. Bairlein, F. (1991): Population studies of White Storks (Ciconia ciconia) in Europe. In: Perrins, C. M., Lebreton, J.-D., Hirons, G. J. M. (Eds.): Bird Population Studies: 227–229. Oxford.
4. Bauer, K. M. & Glutz von Blotzheim, U. N. (1966): Handbuch der Vögel Mitteleuropas. Band 1. Frankfurt/M.
5. Berthold, P. (1996): Control of Bird Migration. London.