@book{184541,
	author = {Campbell, B. M. and ebrary, Inc.},
	title = {Uncovering the hidden harvest},
	publisher = {Earthscan Publications,},
	year = {2002.},
	series = {People and plants conservation manuals},
	address = {London ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10128906}
}