@book{2118,
	author = {Rothwell, Norman V.},
	title = {Understanding genetics /},
	publisher = {Oxford University Press,},
	year = {1988.},
	address = {New York :},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0635/87007737-d.html}
}