E. Bakshy, I. Rosenn, C. Marlow, und L. Adamic. (2012)cite arxiv:1201.4145Comment: 10 pages, 7 figures. In the Proceedings of ACM WWW 2012, April 16-20, 2012, Lyon, France.
A. Sonnenbichler. (2010)cite arxiv:1006.4271
Comment: Presented at the International Network For Social Network Analysis
(INSNA): Sunbelt Conference 2009, San Diego, California, USA. 9 pages, 6
figures.
S. Maslov, und S. Redner. (2009)cite arxiv:0901.2640
Comment: 3 pages, 1 figure, invited comment for the Journal of Neuroscience.
The arxiv version is microscopically different from the published version.