WAINWRIGHT, C B. Results of wildfowl ringing at Abberton Reservoir, Essex 1949 to 1966. Wildfowl, [S. l.], v. 18, p. 28–35, 1967. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155611. Acesso em: 5 apr. 2026.