Conference Paper
Gwinner, E.: Avian circannual clocks: Dependence on and interactions with photoperiod. In: Biological Rhythms – Proceedings of the Tenth Sapporo Symposium on Biological Rhythm, Vol.
19-40 (Eds. Honma, K.; Honma, S.). Tenth Sapporo Symposium on Biological Rhythm, Sapporo , September 08, 2003 - September 10, 2003. Hokaido University Press, Sapporo (2005)