Broyer, Joël, and Laurence Curtet. “The Influence of Macrophyte Beds on Ducks Breeding on Fishponds of the Dombes Region, France”. Wildfowl 60 (April 16, 2013): 136–149. Accessed April 15, 2026. https://tidsskrift.dk/Wildfowl/article/view/153539.