Dentinho, Tomaz Ponce. “Urban Concentration and Spatial Allocation of Rents from Natural Resources. A Zipf’s Curve Approach”. REGION 4, no. 3 (October 20, 2017): 77–86. Accessed April 19, 2024. https://openjournals.wu-wien.ac.at/ojs/index.php/region/article/view/169.