SALWASSER, J.; AVERY, B. E. Oregon Explorer ™: A Natural Resources Digital Library. OLA Quarterly, [S. l.], v. 12, n. 1, p. 10–14, 2006. DOI: 10.7710/1093-7374.1105. Disponível em: https://journals3.library.oregonstate.edu/olaq/article/view/vol12_iss1_5. Acesso em: 3 jul. 2024.