@book{979,
	author = {Greenwood, David},
	title = {Medical microbiology :},
	publisher = {Churchill Livingstone,},
	year = {2002.},
	address = {Edinburgh :},
	edition = {16th ed.},
	url = {http://www.ebay.com/itm/Medical-Microbiology-by-David-Greenwood-/231796206496}
}