@Article{BordewichSemple2007a,
AUTHOR = {Bordewich, Magnus and Semple, Charles},
TITLE = {Computing the minimum number of hybridization events for a consistent evolutionary history},
YEAR = {2007},
JOURNAL = {DAM},
VOLUME = {155},
PAGES = {914-918},
URL = {http://dx.doi.org/10.1016/j.dam.2006.08.008},
NOTE = {
http://www.math.canterbury.ac.nz/~c.semple/papers/BS06a.pdf},
ANNOTE = {BIBUPDATE : 20070919},
KEYWORDS = {agreement forest, approximation, APX hard, explicit network, from rooted trees, hybridization, inapproximability, NP complete, phylogenetic network, phylogeny, SPR distance}
}