DE VOGEL, Hans. Members Viewpoints: Whooping Crane Tours. Blue Jay, [S. l.], v. 44, n. 1, 1986. DOI: 10.29173/bluejay4924. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4924. Acesso em: 18 may. 2024.