@article {Thomas:2001:0273-1177:937,
	author = "Thomas G.E.",
	author = "Olivero J.",
	title = "Noctilucent clouds as possible indicators of global change in the mesosphere",
	journal = "Advances in Space Research",
	volume = "28",
	year = "2001",
	abstract = "",
	pages = "937-946(10)",
	url = "http://www.ingentaconnect.com/content/els/02731177/2001/00000028/00000007/art80021"
	doi = "doi:10.1016/S0273-1177(01)80021-1"
}