%% -*-BibTeX-*-


@Article{BorGP07,
  author       = "Ralf Borndörfer and Martin Grötschel and Marc E. Pfetsch",
  title        = "A Column-Generation Approach to Line Planning in Public Transport",
  journal      = "Transportation Sci.",
  volume       = "41",
  number       = "1",
  pages        = "123--132",
  year         = "2007",
}