1. Top 100 operated fleets. www.alphaliner.com . Assessed 25 June 2010
2. Luberoff, D., Walder, J.: U.S. Ports and the fundings of intermodal facilities: an overview of key issues. Transp. Q. 54, 23–45 (2000)
3. Harker, P.T.: The state of the art in the predictive analysis of freight transport systems. Transp. Rev. 5, 143–164 (1985)
4. Crainic, T.G.: Handbook of Transportation Science, 2nd edn. Kluwer Academic, Dordrecht (2002)
5. Valsaraj, V.: Stochastic and dynamic network design in freight transportation network. Thesis, The University of Texas at Austin (2008)