PINEL, Harold W.; ROBINSON, Carol J. Calgary Bluebird Trail. Blue Jay, [S. l.], v. 33, n. 1, 1970. DOI: 10.29173/bluejay4093. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4093. Acesso em: 22 jul. 2024.