TEPLOV, V F; KARTASHEV, N N. Wildfowl research in Russia - Biological foundations for the regulation of wildfowling in the central districts of the European part of the U.S.S.R. Wildfowl, [S. l.], p. 13, 1957. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155497. Acesso em: 18 dec. 2025.