SCHIELZETH, H; LACHMANN, L; EICHHORN, G; HEINICKE, T. The White-headed Duck Oxyura leucocephala in the Tengiz-Korgalzhyn Region, Central Kazakhstan. Wildfowl, [S. l.], p. 115–130, 2013. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153892. Acesso em: 17 dec. 2025.