@article {Pollock:June 1997:0029-4624:143,
	author = "Pollock, John L.",
	title = "Reasoning about Change and Persistence: A Solution to the Frame Problem",
	journal = "Noûs",
	volume = "31",
	year = "June 1997",
	abstract = "",
	pages = "143-169(27)",
	url = "http://www.ingentaconnect.com/content/bpl/nous/1997/00000031/00000002/art00001"
	doi = "doi:10.1111/0029-4624.00040"
}