1.
Nilsson L, Nilsson J. Changes in numbers and distribution of breeding waterfowl in the Swedish mountain chain between 1972—1975 and 2009. Ornis Svec [Internet]. 2012 Oct. 1 [cited 2024 Apr. 20];22(3–4):107–126. Available from: https://journals.lub.lu.se/os/article/view/22589