Clausen KK, Balsby TJS, Goma V, Madsen J. Using re-sighting data to estimate population size of Pink-footed Geese (Anser brachyrhynchus). Ornis Fenn [Internet]. 2019Sep.30 [cited 2024May12];96(3):112–123. Available from: https://ornisfennica.journal.fi/article/view/133953