House, Bailey R. Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Silk, J. B., & House, B. R. (2016). The evolution of altruistic social preferences in human groups. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 371(1687): 20150097. doi:10.1098/rstb.2015.0097.