Harcombe, W. R., Chacón, J. M., Adamowicz, E. M., Chubiz, L. M., & Marx, C. J. (2018). Evolution of bidirectional costly mutualism from byproduct consumption. Proc Natl Acad Sci U S A.

Harcombe, William R., Jeremy M. Chacón, Elizabeth M. Adamowicz, Lon M. Chubiz, ja Christopher J. Marx. "Evolution of Bidirectional Costly Mutualism From Byproduct Consumption." Proc Natl Acad Sci U S A 2018.

Harcombe, William R., et al. "Evolution of Bidirectional Costly Mutualism From Byproduct Consumption." Proc Natl Acad Sci U S A 2018.