@article {cap-sigops06,
	title = {A study of Nash equilibrium in contribution games for peer-to-peer networks},
	journal = {SIGOPS Oper. Syst. Rev.},
	volume = {40},
	number = {3},
	year = {2006},
	pages = {61{\textendash}66},
	publisher = {ACM Press},
	address = {New York, NY, USA},
	issn = {0163-5980},
	doi = {http://doi.acm.org/10.1145/1151374.1151388},
	url = {http://portal.acm.org/citation.cfm?id=1151374.1151388},
	author = {Jacomo Corbo and Antoni Calv{\'o}-Armengol and David C. Parkes}
}
