@article {7819,
	title = {Implied alignment: a synapomorphy-based multiple-sequence alignment method and its use in cladogram search},
	journal = {Cladistics},
	volume = {19},
	year = {2003},
	note = {PDF},
	pages = {261-268},
	keywords = {alignment, direct optimization, implied alignment, phylogenetics, poy},
	author = {Wheeler, Ward C.}
}
@article {6338,
	title = {Generating implied alignments under direct optimization using POY},
	journal = {Cladistics},
	volume = {21},
	year = {2005},
	note = {PDF},
	pages = {396-402},
	keywords = {direct optimization, implied alignment, phylogenetics, poy},
	author = {Giribet, Gonzalo}
}
