@book{2309,
	author = {Werner, Dietrich,},
	title = {Symbiosis of plants and microbes /},
	publisher = {New York :},
	year = {1992.},
	address = {London ;},
	edition = {1st ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0835/93157667-d.html}
}