LOK, Martin; VAN DEN BERG, Leo; EBBINGE, Barwolt; VAN HAPEREN, Anton; PHILIPPONA, Jules; PROP, Jouke; AZN, Arend Timmerman. Numbers and distribution of wild geese in the Netherlands, 1984-89, with special reference to weather conditions. Wildfowl, [S. l.], p. 107–116, 1992. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155365. Acesso em: 16 dec. 2025.