@book{34721,
	author = {Pirnot, Thomas L.},
	title = {Mathematics all around /},
	publisher = {Pearson Addison Wesley,},
	year = {c2007},
	address = {Boston :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/fy0604/2005045897.html}
}