@article{macharis04a,
  title =	 {Opportunities for {OR} in intermodal freight
                  transport research: A review},
  volume =	 153,
  issn =	 03772217,
  url =
                  {http://linkinghub.elsevier.com/retrieve/pii/S0377221703001619},
  doi =		 {10.1016/S0377-2217(03)00161-9},
  number =	 2,
  journal =	 {European Journal of Operational Research},
  author =	 {C Macharis},
  year =	 2004,
  pages =	 {400--416}
}