1. Modelling of rail networks: Toward a routing/makeup model;Assad Arjang;Transportation Res. Part B,1980
2. Models for rail transportation;Assad Arjang;Transportation Res. Part A,1980
3. Bixby, R.E., private communication (1994).
4. A mathematical programming model to determine a set of operation lines at minimal costs;Claessens,1994
5. Using the CPLEX callable library;CPLEX Optimization, Inc.,1994