Svanberg S, Waldenström J. Population fluctuations and timing of spring migration of the Scandinavian Bluethroat Luscinia svecica svecica at Ottenby Bird Observatory, Sweden, 1955–2008. Ornis Svec [Internet]. 2011 Apr. 1 [cited 2024 Apr. 25];21(2–4):92–100. Available from: https://journals.lub.lu.se/os/article/view/22603