@book{457,
	author = {Roberts, Larry S., and Janovy, John,},
	title = {Gerald D. Schmidt & Larry S. Roberts' foundations of parasitology /},
	publisher = {McGraw-Hill,},
	year = {2005.},
	address = {Boston :},
	edition = {7th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip0414/2004002796.html}
}