Söderholm S. Population development and breeding success of Pochard Aythya ferina at Angarnsjöängen, Uppland, in 1995—2005. Ornis Svec [Internet]. 2005 Oct. 1 [cited 2024 Apr. 19];15(4):220-8. Available from: https://journals.lub.lu.se/os/article/view/22730