Staver, Carla, Sally Archibald, and Simon Levin. (2011) 2011. “The Global Extent and Determinants of Savanna and Forest As Alternative Biome States.”. Science (New York, N.Y.) 334 (6053): 230-2. doi:10.1126/science.1210465. Reference Link
Archibald, Sally, Carla Staver, and Simon Levin. (2012) 2012. “Evolution of Human-Driven Fire Regimes in Africa.”. Proceedings of the National Academy of Sciences of the United States of America 109 (3): 847-52. doi:10.1073/pnas.1118648109. Reference Link
