@article {905921,
	title = {Genetic introgression: an integral but neglected component of speciation in birds},
	journal = {The Auk},
	volume = {128},
	number = {4},
	year = {2011},
	pages = {620-632},
	isbn = {0004-8038},
	author = {Rheindt, Frank E and Edwards, Scott V.}
}
