PolzinD01'

@article{DBLP:journals/dam/PolzinD01,
  author    = {Tobias Polzin and
               Siavash Vahdati Daneshmand},
  title     = {A comparison of Steiner tree relaxations},
  journal   = {Discrete Applied Mathematics},
  volume    = {112},
  number    = {1-3},
  year      = {2001},
  pages     = {241-261},
  ee        = {http://dx.doi.org/10.1016/S0166-218X(00)00318-8},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}