@inproceedings { santos12,
	booktitle = {Proceedings of the 5th International ICST Conference on Bio-Inspired Models of Network, Information, and Computing System, J. Suzuki and T. Nakano (Eds.): BIONETICS 2010, LNICST 87, pp. 178-188 (2012)},
	keywords = {Game Theory;Multi-Agent Societies;Miscellaneous;},
	publisher = {Springer},
	title = {Collective Evolutionary Dynamics and Spatial Reciprocity under the N-Person Snowdrift Game },
	year = {2012},
	author = {Marta D. Santos and Francisco C. Santos and Jorge M. Pacheco}
}