@inproceedings{CIG-2011-Greenwood,
	author        = "Garrison W. Greenwood",
	booktitle     = "{Proceedings of the Seventh Conference on Computational Intelligence and Games}",
	doi           = "10.1109/CIG.2011.6031982",
	isbn          = "978-1-4577-0010-1",
	pages         = "1--8",
	publisher     = "{IEEE}",
	title         = "{Enhanced cooperation in the N-person iterated snowdrift game through tag mediation}",
	year          = 2011,
}