@book{184556,
	author = {Winsemius, Pieter. and Guntram, Ulrich. and ebrary, Inc.},
	title = {A thousand shades of green},
	publisher = {Earthscan,},
	year = {2002.},
	address = {London ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10128952}
}