PULLIAINEN, E. On the breeding of the Pine Grosbeak Pinicola enucleator in NE Finland. Ornis Fennica, [S. l.], v. 56, n. 4, p. 156–162, 1979. Disponível em: https://ornisfennica.journal.fi/article/view/133018. Acesso em: 23 nov. 2024.