1. Structure method for vehicle scheduling;Berkhout;Computer Scheduling of Public Transport,1985
2. Introduction to Stochastic Programming;Birge,1997
3. Bus network design;Ceder;Transportation Research B,1986
4. Transit scheduling;Ceder;Journal of Advanced Transportation,1991
5. Chang, S.K., 1990. Analytic optimization of bus systems in heterogeneous environments. Ph.D. dissertation, University of Maryland, College Park, Maryland, USA.