SOIKKELI, M. Long-distance fishing flights of the breeding Caspian Tern Hydroprogne caspia. Ornis Fennica, [S. l.], v. 50, n. 1, p. 47–48, 1973. Disponível em: https://ornisfennica.journal.fi/article/view/132849. Acesso em: 23 nov. 2024.