@article {Smith:2002:0273-1177:1205,
	author = "Smith I.S.",
	title = "Overview of the ultra long duration balloon project",
	journal = "Advances in Space Research",
	volume = "30",
	number = "5",
	year = "2002",
	abstract = "",
	pages = "1205-1213",
	url = "http://www.ingentaconnect.com/content/els/02731177/2002/00000030/00000005/art00535",
	doi = "doi:10.1016/S0273-1177(02)00535-5"
}