1. International performance indicators: rail freight update;Bureau of Industry Economics,1993
2. Investigating the market for intermodal freight technologies;Fowkes;Transpn Res.,1991
3. A users guide to Tabu search;Glover;Ann. Opns Res.,1993
4. An improved exact solution procedure for the online scheduling of trains;Higgins,1994
5. Development of a model to optimise the position of crossing and overtaking loops on a single line railway;Higgins,1994