Gwinner, Eberhard Emeritus, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society; Verhaltensphysiologie, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Heigl, S., & Gwinner, E. (1999). Periodic food availability synchronizes locomotor and feeding activity in pinealectomized house sparrows. Zoology - Analysis of Complex Systems, 102(1), 1-9.