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http://drops.dagstuhl.de/opus/volltexte/2018/8518/ (Publisher version)
http://drops.dagstuhl.de/doku/urheberrecht1.html (Copyright transfer agreement)
Adamaszek, A., Antoniadis, A., Kumar, A., & Mömke, T. (2018). Approximating Airports and Railways. In R. Niedermeier, & B. Vallée (Eds.), 35th Symposium on Theoretical Aspects of Computer Science (pp. 1-13). Wadern: Schloss Dagstuhl. doi:10.4230/LIPIcs.STACS.2018.5.