@book{90793,
	author = {Bar-Or, Oded. and Rowland, Thomas W.},
	title = {Pediatric exercise medicine  from physiologic principles to health care application},
	publisher = {Human Kinetics},
	year = {2004},
	address = {Champaign (Illinois, Estados Unidos)},
	url = {http://www.loc.gov/catdir/toc/ecip046/2003015757.html}
}