@book{10151,
	author = {Gnädig, Péter. and Honyek, G.},
	title = {200 puzzling physics problems /},
	publisher = {Cambridge University Press,},
	year = {2001.},
	address = {Cambridge, UK ;},
	url = {http://www.loc.gov/catdir/samples/cam034/00053005.html}
}