@inproceedings{Authenticus:P-011-280,
title = {{Pareto and Zipf laws for city size distribution}},
author = {Carla Pinto and A. M. Lopes and J. A. Tenreiro Machado},
booktitle = {Symposium on Fractional Signals and Systems},
type = {Proceedings Paper},
year = {2011}
}