@article {Goldhaber:April 1999:0272-7757:259,
	author = "Goldhaber D.D.",
	author = "Brewer D.J.",
	author = "Eide E.R.",
	author = "Rees D.I.",
	title = "Testing for sample selection in the Milwaukee school choice experiment",
	journal = "Economics of Education Review",
	volume = "18",
	year = "April 1999",
	abstract = "",
	pages = "259-267(9)",
	url = "http://www.ingentaconnect.com/content/els/02727757/1999/00000018/00000002/art00036"
	doi = "doi:10.1016/S0272-7757(98)00036-3"
}