Protecting the Amazon with protected areas.
Walker R, Moore NJ, Arima E, Perz S, Simmons C, Caldas M, Vergara D, Bohrer C.
Walker R, et al.
Proc Natl Acad Sci U S A. 2009 Jun 30;106(26):10582-6. doi: 10.1073/pnas.0806059106. Epub 2009 Jun 19.
Proc Natl Acad Sci U S A. 2009.
PMID: 19549819
Free PMC article.