BLOKPOEL, Hans. A Knot Record for the Alberta-Saskatchewan Border. Blue Jay, [S. l.], v. 27, n. 2, 1969. DOI: 10.29173/bluejay3523. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3523. Acesso em: 2 may. 2024.