ANONYMOUS, Anonymous. Publications, 1991, by, or with the assistance of, The Wildfowl & Wetlands Trust staff and facilities. Wildfowl, [S. l.], v. 43, p. 243–245, 1992. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155353. Acesso em: 15 apr. 2026.