@book{152249,
	author = {Rusko, Heikki. and ebrary, Inc.},
	title = {Cross country skiing},
	publisher = {Blackwell Science, Ltd.,},
	year = {c2003.},
	series = {Handbook of sports medicine and science},
	address = {Malden, MA :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10233071}
}