M. Newman, D. Watts, und S. Strogatz. Proceedings of the National Academy of Sciences of the United States of America, 99 Suppl 1 (suppl 1):
2566--2572(19.02.2002)
E. Daly, und M. Haahr. Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing, Seite 32--40. New York, NY, USA, ACM, (2007)