Limited resolution in complex network community detection with Potts model approach J. M. Kumpula, J. Saramäki, K. Kaski and J. Kertész Eur. Phys. J. B, 56 1 (2007) 41-45 Published online: 28 March 2007 DOI: 10.1140/epjb/e2007-00088-4