@article {6809,
	title = {Phylogeny-aware gap placement prevents errors in sequence alignment and evolutionary analysis},
	journal = {Science},
	volume = {320},
	year = {2008},
	note = {PDF},
	pages = {1632-1635},
	keywords = {alignment, gap, homology, phylogenetics},
	author = {Löytynoja, Ari and Goldman, Nick}
}
