Platteeuw, Maarten, and Rene J H G Henkens. “Possible Impacts of Disturbance to Waterbirds: Individuals, Carrying Capacity and Populations”. Wildfowl (January 1, 1997): 225–236. Accessed December 16, 2025. https://tidsskrift.dk/Wildfowl/article/view/154108.