@book{21476,
	author = {Drlica, Karl.},
	title = {Understanding DNA and gene cloning :},
	publisher = {Wiley,},
	year = {c1997.},
	address = {New York :},
	edition = {3rd ed.},
	note = {Second ed. published in 1992.},
	url = {http://www.loc.gov/catdir/description/wiley032/96023077.html}
}