Yolum, PInar and Singh, Munindar P.. Self-Organizing Referral Networks: A Process View of
Trust and Authority. Engineering Self-Organising Applications, First. editor(s) Serugendo, Giovanna Di Marzo and Karageorgos, Anthony and Rana, Omer F. and Zambonelli, Franco. 11--19, Year 2003.

Ebel, Holger and Mielsch, Lutz-Ingo and Bornholdt, Stefan. Scale-free topology of e-mail networks. In Physical Review E, (66) Year 2002.

Pennock, David and Flake, Gary and Lawrence, Steve and Glover, Eric and Giles, C. Lee. Winners don't take all: Characterizing the
competition for links on the web. In Proc.National Academy of Sciences, (99) 8: 5207--5211, Year 2002.

Zhang, Hui and Goel, Ashish and Govindan, Ramesh. Using the Small-World Model to Improve Freenet
Performance. Proc.21st Annual Joint Conference of the IEEE. New York, NY, Year 2002.

Watts, Duncan J.. Small Worlds -- The Dynamics of Networks between
Order and Randomneess. Princeton University Press, Princeton, New Jersey, Year 1999.