1. Analytical models in rail transportation: at annotated bibliography;Assad;Infor.,1981
2. Studies in the Economics of Transportation;Beckmann,1956
3. Railroad modelling part II: the effect of yard facilities on congestion;Petersen;Transpn Sci.,1977
4. Investigation of sorting and train formation schemes for a railroad hump yard;Siddiquee,1972
5. Railroad classification yard technology: an introductory analysis of functions and operations,1975