BATBAYAR, Nyambayar; TAKEKAWA, John Y; NEWMAN, Scott H; PROSSER, Diann J; NATSAGDORJ, Tseveenmyadag; XIAO, Xiangming. Migration strategies of Swan Geese Anser cygnoides from northeast Mongolia. Wildfowl, [S. l.], p. 90–109, 2013. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153552. Acesso em: 16 dec. 2025.