• Author: Gwinner, E. G. Gänshirt J. P. Dittami
• Title: Starling circannual systems: are they arrested in long photoperiods?
• Year: 1989
• Reference Type: Journal Article
• Journal/Book Title: J Comp Physiol A
• Volume: 165
• Pages: 35-39
• Date of Publication: Wednesday, 20 December 1989