PUTNAM, L. G. The 1940 Grasshopper Outbreak in Southwestern Saskatchewan. Blue Jay, [S. l.], v. 34, n. 1, 1970. DOI: 10.29173/bluejay4105. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4105. Acesso em: 4 may. 2024.