@article {Leopold:1 July 1999:1364-6613:254,
	author = "Leopold D.A.",
	author = "Logothetis N.K.",
	title = "Multistable phenomena: changing views in perception",
	journal = "Trends in Cognitive Sciences",
	volume = "3",
	year = "1 July 1999",
	abstract = "",
	pages = "254-264(11)",
	url = "http://www.ingentaconnect.com/content/els/13646613/1999/00000003/00000007/art01332"
	doi = "doi:10.1016/S1364-6613(99)01332-7"
}