Polakowski M, Jankowiak L, Kasprzykowski Z, Bela G, Koœmicki A, Janczyszyn A, Niemczyk A, Kilon D. Autumn migratory movements of raptors along the southern Baltic coast. Ornis Fenn [Internet]. 31 mars 2014 [citerad 18 maj 2024];91(1):39–47. Tillgänglig vid: https://ornisfennica.journal.fi/article/view/133842