Population Health and Environment Bremer, L., K. A. Farley, D. López-Carr, and J. Romero. 2014. Ecosystem Services, Volume 8, June 2014, Pages 148-165, ISSN 2212-0416. 2014 http://www.sciencedirect.com/science/article/pii/S2212041614000278 David Lopez-Carr
