@book{21890,
	author = {Primrose, S. B. and Twyman, Richard M.},
	title = {Principles of gene manipulation /},
	publisher = {Blackwell Scientific,},
	year = {2001.},
	address = {Oxford ;},
	edition = {6th ed.},
	note = {Previous ed. cataloged under: R.W. Old.}
}