LANNER, R. M.; NIKKANEN, T. Establishment of a Nucifraga-Pinus mutualism in Finland. Ornis Fennica, [S. l.], v. 67, n. 1, p. 24–27, 1990. Disponível em: https://ornisfennica.journal.fi/article/view/133297. Acesso em: 18 maj. 2024.