@article {Simula.simula.1760,
	title = {The Peer{\textquoteright}s Dilemma: a General Framework to Examine Cooperation in Pure Peer-to-Peer Systems},
	journal = {Computer Networks},
	volume = {56},
	number = {17},
	year = {2012},
	month = {November},
	pages = {3756-3766},
	author = {Palomar, Esther and Alcaide, Almudena and Ribagordaa, Arturo and Zhang, Yan}
}
