Greig, D.; Smith, C.: The cost of sexual signaling in yeast. Evolution 64 (11), S. 3114 - 3122 (2010)

MacLean, R. C.; Fuentes-Hernandez, A.; Greig, D.; Hurst, L. D.; Gudelj, I.: A mixture of "cheats" and "co-operators" can enable maximal group benefit. PLoS Biology 8 (9), e1000486 (2010)