@article{Billhardt171857,
   author = "H. Billhardt and A. Fernández and Marin Lujak and S. Ossowski and V. Julian and J. F. de Paz and J. Hernandez",
   title = "{C}oordinating open fleets. {A} taxi assignment example",
   journal = "AI Communications",
   year = "2017",
   publisher = "IOS Press"
}