@inproceedings{inproceedingsd04dac1e,
title   = {Some approximation results for the maximum agreement forest problem},
author = {Rodrigues, Estela Maris and Sagot, Marie-France and Wakabayashi, Yoshiko},
year = {2001},
doi = {10.1007/3-540-44666-4_19},
publisher = {Springer},
booktitle   = {International Workshop on Approximation Algorithms for Combinatorial Optimization Problems - APPROX 2001}
}