1. Optimal control of headway variation on transit routes;Abkowitz;Journal of Advanced Transportation,1986
2. Synchronized scheduling and random delays in urban transit;Bookbinder;European Journal of Operations Research,1990
3. Transfer optimization in a transit network;Bookbinder;Transportation Science,1992
4. British Rail (1986) Passenger Forecasting Handbook. British Rail, Euston, London.
5. Carey, M. (1992) Reliability of interconnected scheduled services, with resequencing allowed. Research report, Faculty of Business and Management, University of Ulster, and Department of Statistics, University of Oxford.