@book{2643,
	author = {Galloway, D. J.,},
	title = {Tropical lichens :},
	publisher = {Published for the Systematics Association by Clarendon Press ;},
	year = {c1991.},
	address = {Oxford [England] :},
	note = {Papers presented at a conference held at the Natural History Museum in London, 4-8 Sept. 1989.},
	url = {http://www.loc.gov/catdir/enhancements/fy0635/90044333-d.html}
}