VEPSÄLÄINEN, K. The effect of the cold spring 1966 upon the Lapwing (Vanellus vanellus) in Finland. Ornis Fennica, [S. l.], v. 45, n. 2, p. 33–47, 1968. Disponível em: https://ornisfennica.journal.fi/article/view/132741. Acesso em: 22 nov. 2024.