HOVI, M.; ALATALO, R. V.; HÖGLUND, J.; LUNDBERG, A. Traditionality of Black Grouse Tetrao tetrix leks. Ornis Fennica, [S. l.], v. 73, n. 3, p. 119–123, 1996. Disponível em: https://ornisfennica.journal.fi/article/view/133444. Acesso em: 21 may. 2024.