@book{28569,
	author = {Nieman, David C.},
	title = {Exercise testing and prescription :},
	publisher = {McGraw-Hill,},
	year = {c2007},
	address = {Boston :},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0708/2005054338-t.html}
}