MIHELSONS, H; VIKSNE, J; LEJINS, G. Experience in waterfowl management under the conditions prevailing in the Latvian S.S.R. Wildfowl, [S. l.], v. 18, p. 146–149, 1967. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155596. Acesso em: 5 apr. 2026.