NIEMAN, Dan. Trumpeter Swans in the Cypress Hills. Blue Jay, [S. l.], v. 30, n. 2, 1972. DOI: 10.29173/bluejay3583. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3583. Acesso em: 22 nov. 2024.