Ball, M. O., Golden, B. L., Assad, A. A. and Bodin, L. D. (2007) "Planning for truck fleet size in the presence of a common-carrier option", Decision Sciences, Vol. 14, No. 1, pp. 103-120.
-Beaujon, G. J. and Turnquist, M. A. (1991) "A model for fleet sizing and vehicle allocation", Transportation Science, Vol. 25, No. 1, pp. 19-45.
-Bojovic, N. (2002) "A general system theory approach to rail freight car fleet sizing", European Journal of Operational Research, Vol. 136, No. 1, pp. 136-172.
-Florian, M., Bushell, G., Ferland, J., Guerin, G. and Nastansky, L. (1976) "The engine scheduling problem in a railway network", INFOR Journal, Vol. 14, pp. 121-138.
-Gertsbach, I. and Gurevich, Y. (1977) "Constructing an optimal fleet for a transportation schedule", Transportation Science, Vol. 11, No. 1, pp. 20-36.
-Godwin, T., Gopalan, R. and Narendran, T. T. (2008) "Tactical locomotive fleet sizing for freight train operations", Transportation Research, Part E: Logistics and Transportation 44, No. 3, pp. 440-454. Review, Vol. 10.
-Husseinzadeh Kashan, A., Karimi, B. and Jolai, F. (2010) "An effective hybrid multi-objective genetic algorithm for bi-criteria scheduling on a single batch processing machine with non-identical job sizes", Engineering Applications of Artificial Intelligence, Vol. 23, No. 6, pp. 911-922.
-Kirkpatrick, S., Gelatt, C. D. and Vecchi, M. P. (1983) "Optimization by simulated annealing", Science, Vol. 220, pp. 671–680.
-Kochel, P., Kunze, S. and Nielander, U. (2003) "Optimal control of a distributed service system with moving resources: Application to the fleet sizing and allocation problem", Int. J. Production Economics, Vol. 81-82, pp. 443-459.
-List, G. F., Wood, B., Nozick, L. K., Turnquist, M.A., Jones, D.A., Kjeldgaard, E.A. and Lawton, C. R. (2003) "Robust optimization for fleet planning under uncertainty", Research Transportation, Part E, Vol. 39, No. 3, pp. 209-227.
-Mafakheri, Z. and Masihi, E. (2015) " Modeling and problem solving determine the number of cars taking into account multiple objectives and heterogeneous fleet by metaheuristic", Research Journal of Transportation Engineering, Vol. 6, No. 4, pp.1-18.
-Sayarshad, H. R. and Ghoseiri, K. (2009) "A simulated annealing approach for multi-periodic rail-car fleet sizing problem", Computers and Operations Research, Vol. 36, No. 6, pp. 1789-1799.
-Sayarshad, H. R. and Tavakkoli-Moghaddam, R. (2010) "Solving a multi periodic stochastic model of the rail–car fleet sizing by two-stage optimization formulation", Applied Mathematical Modeling, Vol. 34, No. 5, pp. 1164-1174.
-Sherali, H. D. and Tuncbilek, C. H. (1997) "Static and dynamic time-space strategic models and algorithms for multilevel rail-car fleet management", Management Science, Vol. 43, No. 2, pp. 235-250.
-Song, D. P. and Earl, C. F. (2008) "Optimal empty vehicle repositioning and fleet-sizing for two-depot service systems", European Journal of Operational Research, Vol. 185, No. 2, pp. 760-777.
-Yaghini, M., Khandagh-Abadi, Z. (2011) " Problem solving dynamically determine the size of the fleet cars using a combination Algorithm ", Journal of Transportation, Vol. 8, No. 1.( In Persian)
-Yaghini, M., Khandagh-Abadi, Z. (2011) " Problem solving dynamically determine the size of the fleet cars using a combination Algorithm ", Journal of Transportation, Vol. 8, No. 1.( In Persian) -Yaghini, M. and Khandaghabadi, Z. (2013) "A hybrid metaheuristic algorithm for dynamic rail car fleet sizing problem", Applied Mathematical Modelling, Vol. 37, pp. 4127-4138.