Clauset
, Aaron ;
Shalizi
, Cosma Rohilla ;
Newman
, M. E. J.:
Power-law distributions in empirical data
, 2007. - cite arxiv:0706.1062Comment: 43 pages, 11 figures, 7 tables, 4 appendices; code available at http://www.santafe.edu/~aaronc/powerlaws/