@book{12233,
	author = {Nicholl, Desmond S. T.},
	title = {An introduction to genetic engineering /},
	publisher = {Cambridge University Press,},
	year = {c2002.},
	address = {New York :},
	edition = {2nd ed.},
	note = {Previous edition published in series: Studies in biology.},
	url = {http://www.loc.gov/catdir/description/cam022/2001037542.html}
}