@book{223271,
	author = {Kraftmakher, �I�A. A. and ebrary, Inc.},
	title = {Experiments and demonstrations in physics},
	publisher = {World Scientific,},
	year = {c2007.},
	series = {Bar-Ilan physics laboratory},
	address = {Hackensack, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10201364}
}