@book{207515,
	author = {Kolkhorst, Fred W. and Buono, Michael J.},
	title = {Virtual exercise physiology laboratory},
	publisher = {Lippincott Williams & Wilkins},
	year = {c2004.},
	address = {Philadelphia},
	note = {ESTE LIBRO INCLUYE UN DISCO},
	url = {http://www.loc.gov/catdir/enhancements/fy0712/2004296914-d.html}
}