@book{27584,
	author = {Johnson, George B.},
	title = {Essentials of the living world /},
	publisher = {McGraw-Hill,},
	year = {2010.},
	address = {Dubuque, IA :},
	edition = {3rd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1011/2009013753-b.html}
}