1. Lead poisoning in the Slimbridge wildfowl collection;Beer;Wildfowl,1965
2. Godin, A.J., 1967. Test of grit types in alleviating lead poisoning in mallards. U.S. Fish and Wildlife Service Special Scientific Report-Wildlife No. 107.
3. Lead poisoning in waterfowl from the Ebro Delta, Spain: calculation of lead exposure thresholds for mallards;Guitart;Arch. Environ. Contam. Toxicol.,1994
4. Le saturnisme, fleau de la sauvagine en Camargue;Hoffmann;Terre et Vie,1960
5. The fate of lead in soils: the transformation of lead pellets in shooting-range soils;Jørgensen;Ambio,1987