Kvist A, Lindström Åke, Tulp I. Excessive migratory fattening in a captive Bluethroat Luscinia s. svecica. Ornis Svec [Internet]. 1993 Oct. 1 [cited 2024 Sep. 1];3(3–4):161-4. Available from: https://journals.lub.lu.se/os/article/view/23041