@book{50041,
	author = {Guzman, Ruben J. and Guzman, Ruben J.},
	title = {The swimming drill book /},
	publisher = {Human Kinetics,},
	year = {c2007},
	address = {Champaign, IL :},
	note = {Rev. ed. of: Swimming drills for every stroke. c1998},
	url = {http://www.loc.gov/catdir/toc/ecip0617/2006023900.html}
}