Annoni, Paola, and Angél Catalina Rubianes. “Tree-Based Approaches for Understanding Growth Patterns in the European Regions”. REGION 3, no. 2 (September 21, 2016): 23–45. Accessed November 10, 2024. https://pmgr.wu-wien.ac.at/ojs/index.php/region/article/view/115.