@Article{Cecchetti2007,
AUTHOR = {Cecchetti, Ethan},
TITLE = {Orientability of Phylogenetic Network Graphs},
YEAR = {2007},
JOURNAL = {Rose Hulman Undergraduate Math Journal},
VOLUME = {8},
NUMBER = {2},
NOTE = {
http://www.rose-hulman.edu/mathjournal/v8n2.php},
KEYWORDS = {characterization, explicit network, phylogenetic network}
}