References
- Van Buskirk J., Mulvihill R. S., & Leberman R. C. 2009. Variable shifts in spring and autumn migration phenology in North American songbirds associated with climate change. Global Change Biology 15, 3: 760-771.
- Busse P. 1984. Key to sexing and ageing of European passerines. Beitr. Naturk. Niedersachsens 37, Suppl.
- Busse P. 1995. New technique of a field study of directional preferences of night passerine migrants. Ring 17, 1-2: 97-116.
- Busse P. 2000. Bird station manual. SE European Bird Migration Network, Univ. of Gdañsk. Gdañsk. pp. 264.
- Busse P., Meissner W. 2015. Bird Ringing Station Manual. – De Gruyter Open. Warszawa/Berlin, pp. 211.
- Svensson L. 1992. Identification guide to European Passerines. Stockholm, pp. 368.