Zhang, Jianhua; Xu, Xiaoming; Hong, Liu; Wang, Shuliang; … - In: Physica A: Statistical Mechanics and its Applications 390 (2011) 23, pp. 4562-4570
Recently, cities have become larger and larger, and more and more people are living in large cities. This phenomenon has caused serious traffic congestion which is very detrimental to the development of large cities. In this context, the subway has become the most effective solution for...