@inbook{publication-3943,
	address={Oxford, UK},
	author={Gintis, H and Bowles, S and Fehr, Ernst},
	booktitle={The Oxford Handbook of Evolutionary Psychology},
	editor={Dunbar, R.I.M. and Barrett, L.},
	pages={605-619},
	publisher={Oxford University Press},
	title={Explaining altrusitic behaviour in humans},
	year=2007,
}