Betzholtz, Per-Eric, Tobias Berger, Jan Petersson, and Johan Stedt. 2010. “What Do Population Viability Analyses Tell about the Future for Baltic Dunlin Calidris Alpina Schinzii and Montagu’s Harrier Circus Pygargus on Öland?”. Ornis Svecica 20 (2). Lund, Sweden:93–102. https://doi.org/10.34080/os.v20.22632.