@article{cReyzinS07,
  author    = {Lev Reyzin and
               Nikhil Srivastava},
  title     = {On the longest path algorithm for reconstructing trees from
               distance matrices.},
  journal   = {Inf. Process. Lett.},
  volume    = {101},
  number    = {3},
  year      = {2007},
  pages     = {98-100},
  ee        = {http://dx.doi.org/10.1016/j.ipl.2006.08.013},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}