Gwinner, Eberhard Emeritus, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society; Verhaltensphysiologie, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Gwinner, E. (1987). Annual rhythms of gonadal size, migratory disposition, and molt in garden warblers Sylvia borin exposed in winter to an equatorial or a southern hemisphere photoperiod. Ornis Scandinavica, 18(4), 251-256. doi:10.2307/3676892.