Berthold, Peter Vogelwarte Radolfzell, Radolfzell, Max Planck Institut für Ornithologie, Max Planck Society; Emeritus, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Nowak, E., & Berthold, P. (1988). Prospects of satellite-tracking as a method for future bird migration research. In J. Vīksne (Ed.), Ecology, migration and protection of Baltic birds (pp. 1-12). Riga: Zinatne.