@inproceedings{CIG-2018-GreenwoodAP,
	author        = "Garrison W. Greenwood and Hussein A. Abbass and Eleni Petraki",
	booktitle     = "{Proceedings of the 14th Conference on Computational Intelligence and Games}",
	doi           = "10.1109/CIG.2018.8490421",
	isbn          = "978-1-5386-4359-4",
	pages         = "1--5",
	publisher     = "{IEEE}",
	title         = "{A Critical Analysis of Punishment in Public Goods Games}",
	year          = 2018,
}