1. Applications Digest;AAR,1974
2. Model and calculation program relating to the optimum formation of trunk haul freight trains;Achermann;Bull. I.R.C.A.,1969
3. Economic Impact of Freight Car Shortages;ADL,1971
4. Hump marshalling yard design;Alexander;Bull. I.R.C.A.,1968
5. A computer simulation model of railroad freight transportation system;Allman,1966