@article{DBLP:journals/siamdm/DuHX99,
  author    = {Ding-Zhu Du and
               Frank K. Hwang and
               Guoliang Xue},
  title     = {Interconnecting Highways},
  journal   = {SIAM J. Discrete Math.},
  volume    = {12},
  number    = {2},
  year      = {1999},
  pages     = {252-261},
  ee        = {http://dx.doi.org/10.1137/S089548019732653X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}