@article{DBLP:journals/comgeo/KakoulisT01,
  author    = {Konstantinos G. Kakoulis and
               Ioannis G. Tollis},
  title     = {On the complexity of the Edge Label Placement problem},
  journal   = {Comput. Geom.},
  volume    = {18},
  number    = {1},
  year      = {2001},
  pages     = {1-17},
  ee        = {http://dx.doi.org/10.1016/S0925-7721(00)00025-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}