@InProceedings{nachtigall_et_al:OASIcs.ATMOS.2008.1588,
  author =	{Nachtigall, Karl and Opitz, Jens},
  title =	{{Solving Periodic Timetable Optimisation Problems by Modulo Simplex Calculations}},
  booktitle =	{8th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (ATMOS'08)},
  pages =	{1--15},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-07-1},
  ISSN =	{2190-6807},
  year =	{2008},
  volume =	{9},
  editor =	{Fischetti, Matteo and Widmayer, Peter},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.ATMOS.2008.1588},
  URN =		{urn:nbn:de:0030-drops-15884},
  doi =		{10.4230/OASIcs.ATMOS.2008.1588},
  annote =	{Keywords: Periodic event scheduling problem, integer programming, modulo network simplex}
}