@Article{IKM2009,
AUTHOR = {van Iersel, Leo and Kelk, Steven and Mnich, Matthias},
TITLE = {Uniqueness, intractability and exact algorithms: reflections on level-k phylogenetic networks},
YEAR = {2009},
JOURNAL = {JBCB},
VOLUME = {7},
NUMBER = {4},
PAGES = {597-623},
URL = {http://dx.doi.org/10.1142/S0219720009004308},
NOTE = {
http://arxiv.org/pdf/0712.2932v2},
ANNOTE = {BIBUPDATE : 20081216},
KEYWORDS = {explicit network, from triplets, galled tree, level k phylogenetic network, NP complete, phylogenetic network, phylogeny, reconstruction, uniqueness}
}