Patuelli, Roberto, Aura Reggiani, Peter Nijkamp, and Franz-Josef Bade. “The Evolution of the Commuting Network in Germany: Spatial and Connectivity Patterns”. Journal of Transport and Land Use 2, no. 3 (January 25, 2010). Accessed November 22, 2024. https://jtlu.org/index.php/jtlu/article/view/23.