@article{fhks-c15tgp-16,
  author    = {Stephan Friedrichs and
               Michael Hemmer and
               James King and
               Christiane Schmidt},
  title     = {The continuous 1.5D terrain guarding problem: Discretization, optimal
               solutions, and {PTAS}},
  journal   = {JoCG},
  volume    = {7},
  number    = {1},
  pages     = {256--284},
  year      = {2016},
  url       = {http://jocg.org/index.php/jocg/article/view/242},
  timestamp = {Tue, 22 Nov 2016 10:54:48 +0100},
  biburl    = {http://dblp.uni-trier.de/rec/bib/journals/jocg/FriedrichsHK016},
  bibsource = {dblp computer science bibliography, http://dblp.org}
}