LepovicG98'

@article{DBLP:journals/jcisd/LepovicG98,
  author    = {Mirko Lepovic and
               Ivan Gutman},
  title     = {A Collective Property of Trees and Chemical Trees},
  journal   = {Journal of Chemical Information and Computer Sciences},
  volume    = {38},
  number    = {5},
  year      = {1998},
  pages     = {823-826},
  ee        = {http://dx.doi.org/10.1021/ci980004b},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}