@book{21902,
	author = {Old, R. W. and Primrose, S. B.},
	title = {Principles of gene manipulation :},
	publisher = {Blackwell Scientific Publications,},
	year = {1985.},
	series = {Studies in microbiology ;},
	address = {Oxford ;},
	edition = {3rd ed.},
	note = {Includes index.}
}