WALKER, C H; MILLS, D H. Organic chlorine insecticide residues in Goosanders and Red-breasted Mergansers. Wildfowl, [S. l.], v. 16, p. 2, 1965. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155159. Acesso em: 5 apr. 2026.