@book{65348,
	author = {Maor, Eli. and ebrary, Inc.},
	title = {Trigonometric delights},
	publisher = {Princeton University Press,},
	year = {2013.},
	address = {Princeton, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10658394}
}