Tarnita, Corina, Alex Washburne, Ricardo Martinez-Garcia, Allyson Sgro, and Simon Levin. (2015) 2015. “Fitness Tradeoffs Between Spores and Nonaggregating Cells Can Explain the Coexistence of Diverse Genotypes in Cellular Slime Molds.”. Proceedings of the National Academy of Sciences of the United States of America 112 (9): 2776-81. doi:10.1073/pnas.1424242112.