@article {2062,
	title = {Phylogenetic systematics and the species problem},
	journal = {Cladistics},
	volume = {4},
	year = {1988},
	pages = {317-338},
	keywords = {CLADISTICS, species, SYSTEMATICS},
	author = {de Queiroz, Kevin and Donoghue, M. J.}
}
