@article {3836,
	title = {Species concepts: Semantics and actual situations},
	journal = {Biology and Philosophy},
	volume = {2},
	year = {1987},
	pages = {198-203},
	keywords = {PHILOSOPHY, species, SPECIES CONCEPTS},
	author = {Stebbins, G. L.}
}
@article {3121,
	title = {Individuality, pluralism and the phylogenetic species concept},
	journal = {Biology and Philosophy},
	volume = {2},
	year = {1987},
	pages = {397-414},
	keywords = {METAPHLETIC TAXA, PHILOSOPHY, PHYLOGENETIC SPECIES CONCEPT, species},
	author = {Mishler, B. D. and Brandon, R. N.}
}
@article {3067,
	title = {Systems of ordering data},
	journal = {Biology and Philosophy},
	volume = {10},
	year = {1995},
	pages = {419-434},
	keywords = {CLADISTICS, PHILOSOPHY, TAXONOMY},
	author = {Mayr, E.}
}
@article {2907,
	title = {Integration, individuality and species concepts},
	journal = {Biology and Philosophy},
	volume = {17},
	year = {2002},
	pages = {651-660},
	keywords = {Clade, Clade, species, PHILOSOPHY, species, SPECIES CONCEPTS},
	author = {Lee, M.S.Y. and Wolsan, M.}
}
