@book{19258,
	author = {Kardong, Kenneth V.},
	title = {Vertebrates :},
	publisher = {McGraw-Hill,},
	year = {c2012.},
	address = {New York :},
	edition = {6th ed.},
	url = {http://catdir.loc.gov/catdir/enhancements/fy1107/2010050475-b.html}
}