J. Löwgren. (2008)This is an electronic document. Date of publication: June 10, 2008. Date retrieved: October 3, 2009. Date last modified: September 4, 2009.
A. Lancichinetti, and S. Fortunato. (2009)cite arxiv:0908.1062Comment: 12 pages, 8 figures. The software to compute the values of our general normalized mutual information is available at http://santo.fortunato.googlepages.com/inthepress2.