@article {Watkins:Summer 2002:1062-9769:335,
	author = "Watkins G.C.",
	title = "Characteristics of North Sea oil reserve appreciation",
	journal = "The Quarterly Review of Economics and Finance",
	volume = "42",
	year = "Summer 2002",
	abstract = "",
	pages = "335-372(38)",
	url = "http://www.ingentaconnect.com/content/els/10629769/2002/00000042/00000002/art00133"
	doi = "doi:10.1016/S1062-9769(02)00133-3"
}