1. Steinmetz, R., Wehrle K. (eds.): Peer-to-Peer Systems and Applications. LNCS 3485. Springer (2005)
2. Chuang, J., Feldman, M., Lai, K., Stoica, I.: Quantifying disincentives in peer-to-peer networks. In: First Workshop on Economics of Peer-to-Peer Systems, UC Berkeley, Berkeley, California, USA (2003)
3. Habib, A., Chuang, J.: Incentive mechanism for peer-to-peer media streaming, June 2004
4. Adar, E., Huberman, B.: Free riding on gnutella. Technical report, Xerox PARC (2000)
5. Jobs, S.: Thoughts on music. http://www.apple.com/hotnews/thoughtsonmusic/ , Febraury 2007