Fox, Anthony D., Mark Desholm, Palle A.F. Rasmussen, and Thorsten J.S. Balsby. 2013. “Preliminary Results from a Study of Habitat Use of Radio-Tracked Spotted Crakes Porzana Porzana at a Restored Wetland in Northeast Jutland, Denmark”. Wildfowl, December, 115-34. https://tidsskrift.dk/Wildfowl/article/view/153594.