RICHARDS, W. S. The Railway - A Hazard to Birds. Blue Jay, [S. l.], v. 30, n. 1, 1972. DOI: 10.29173/bluejay3692. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3692. Acesso em: 27 apr. 2024.