@InProceedings{adamaszek_et_al:LIPIcs.STACS.2018.5,
  author =	{Adamaszek, Anna and Antoniadis, Antonios and Kumar, Amit and M\"{o}mke, Tobias},
  title =	{{Approximating Airports and Railways}},
  booktitle =	{35th Symposium on Theoretical Aspects of Computer Science (STACS 2018)},
  pages =	{5:1--5:13},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-062-0},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{96},
  editor =	{Niedermeier, Rolf and Vall\'{e}e, Brigitte},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.STACS.2018.5},
  URN =		{urn:nbn:de:0030-drops-85183},
  doi =		{10.4230/LIPIcs.STACS.2018.5},
  annote =	{Keywords: Network Design, Facility Location, Approximation Algorithms, PTAS, Metric, Euclidean}
}