Østbye, E., Hogstad, O., Østbye, K., Lien, L., Framstad, E. and Breiehagen, T. 2007. Structure and dynamics of a high mountain wetland bird community in southern Norway: An 18-year study of waders and gulls. Ornis Norvegica. 30, (Jan. 2007), 4–20. DOI:https://doi.org/10.15845/on.v30i0.181.