@article {D.:2002:0004-8402:502,
	author = "D. Hershenov",
	title = "Olsons Embryo Problem",
	journal = "Australasian Journal of Philosophy",
	volume = "80",
	number = "4",
	year = "2002",
	abstract = "",
	pages = "502-511",
	url = "http://www.ingentaconnect.com/content/routledg/ajphil/2002/00000080/00000004/art00502"
}