@article {Singer:October 1997:1364-6613:252,
	author = "Singer W.",
	author = "Engel A.K.",
	author = "Kreiter A.K.",
	author = "Munk M.H.J.",
	author = "Neuenschwander S.",
	author = "Roelfsema P.R.",
	title = "Neuronal assemblies: necessity, signature and detectability",
	journal = "Trends in Cognitive Sciences",
	volume = "1",
	year = "October 1997",
	abstract = "",
	pages = "252-260(9)",
	url = "http://www.ingentaconnect.com/content/els/13646613/1997/00000001/00000007/art01079"
	doi = "doi:10.1016/S1364-6613(97)01079-6"
}