AhnBNS09'

@article{DBLP:journals/comgeo/AhnBNS09,
  author    = {Hee-Kap Ahn and
               Peter Brass and
               Hyeon-Suk Na and
               Chan-Su Shin},
  title     = {On the minimum total length of interval systems expressing
               all intervals, and range-restricted queries},
  journal   = {Comput. Geom.},
  volume    = {42},
  number    = {3},
  year      = {2009},
  pages     = {207-213},
  ee        = {http://dx.doi.org/10.1016/j.comgeo.2008.03.004},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}