@article {7810,
	title = {Homology and the optimization of DNA sequence data},
	journal = {Cladistics},
	volume = {17},
	year = {2001},
	note = {PDF},
	pages = {S3-S11},
	keywords = {direct optimization, dna, homology, molecules, phylogenetics, poy},
	author = {Wheeler, Ward}
}
