@book{531,
	author = {Snustad, D. Peter. and Simmons, Michael J.},
	title = {Principles of genetics /},
	publisher = {John Wiley & Sons,},
	year = {c2003.},
	address = {New York, NY :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/description/wiley037/2002190820.html}
}