GODIN, Patrick R; JOYNER, David E. Pond ecology and its influence on Mallard use in Ontario, Canada. Wildfowl, [S. l.], v. 32, p. 28–34, 1981. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154199. Acesso em: 19 may. 2026.