@article {Vaitl:2005:1611-8812:9,
	author = "Vaitl, Dieter",
	author = "Ott, U.",
	title = "Altered States of Consciousness Induced by Psychophysiological Techniques",
	journal = "Mind and Matter",
	volume = "3",
	year = "2005",
	abstract = "",
	pages = "9-30(22)",
	url = "http://www.ingentaconnect.com/content/imp/mm/2005/00000003/00000001/art00002"
}