MCCALLS, W. C. The Lodgepole Pine. Blue Jay, [S. l.], v. 16, n. 4, 1958. DOI: 10.29173/bluejay2541. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2541. Acesso em: 7 may. 2024.