CROSSLEY, W. Callling All Rockhonds and Pebble Pups. Blue Jay, [S. l.], v. 20, n. 3, 1962. DOI: 10.29173/bluejay2867. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2867. Acesso em: 16 may. 2024.