@book{207506,
	author = {Heyward, Vivian H.},
	title = {Advanced fitness assessment and exercise prescription},
	publisher = {Human Kinetics},
	year = {c2006.},
	address = {Champaign, IL},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0612/2006011631.html}
}