@inbook { pacheco11,
	chapter = {The messianic effect of pathological altruism},
	keywords = {Game Theory;Multi-Agent Societies;},
	publisher = {Edited by Barbara Oakley, Ariel Knafo, Guruprasad Madhavan and David Sloan Wilson, Oxford University Press},
	title = {Pathological Altruism},
	year = {2011},
	author = {Jorge M. Pacheco and Francisco C. Santos}
}