Paterson IW, Boyer PR, Massen DD. Variations in clutch size and breeding success of Greylag Geese Anser anser in the Uists, Scotland. Wildfowl [Internet]. 1990 Nov. 1 [cited 2026 Apr. 15];41:18-22. Available from: https://tidsskrift.dk/Wildfowl/article/view/154051