POWELL, John M. The Role of Natural Biological Agents in Controlling a Pine Stem Rust (Cronartium Comandrae). Blue Jay, [S. l.], v. 32, n. 2, 1970. DOI: 10.29173/bluejay3938. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3938. Acesso em: 22 jul. 2024.