@article {Miller:June 2008:0029-4624:222,
	author = "Miller, Christian",
	title = "Motivation in Agents",
	journal = "Noûs",
	volume = "42",
	year = "June 2008",
	abstract = "",
	pages = "222-266(45)",
	url = "http://www.ingentaconnect.com/content/bpl/nous/2008/00000042/00000002/art00003"
	doi = "doi:10.1111/j.1468-0068.2008.00679.x"
}