@proceedings{58,
  author = {B. DasGupta and X. He and T. Jiang and M. Li and J. Tromp and L. Zhang},
  title = {On distances between phylogenetic trees},
  year = {1997},
  journal = {Proc. 8th Ann. ACM-SIAM Symp. on Discrete Algorithms (SODA'97), New Orleans},
}