[Clauset et al. 2007] Clauset, A., Shalizi, C. R. and Newman, M. E. J.: "Power-law distributions in empirical data", cite arxiv:0706.1062Comment: 43 pages, 11 figures, 7 tables, 4 appendices; code available at  http://www.santafe.edu/~aaronc/powerlaws/ (2007).