Zeitschriftenartikel
Coppack, T.; Tindemans, I.; Czisch, M.; Van der Linden, A.; Berthold, P.; Pulido, F.: Can long-distance migratory birds adjust to the advancement of spring by shortening migration distance? The response of the pied flycatcher to latitudinal photoperiodic variation. Global Change Biology
14 (11), S. 2516 - 2522 (2008)