1. Large subway systems as complex networks;Angeloudis;Physica A,2006
2. Y. Wang, C. Yang, Evolution characteristics analysis of urban rail transit network in Shanghai, in: International Conference on Transportation Engineering, 2007.
3. Statistical analysis of the metropolitan seoul subway system: network structure and passenger flows;Lee;Physica A,2008
4. On the structure of Urban rail transit network and planning;Cornet;Urban Mass Transit,2009
5. The complexity and robustness of metro networks;Derrible;Physica A,2010