@book{504,
	author = {McCallum, Ian, and ebrary, Inc.},
	title = {Ecological intelligence},
	publisher = {Fulcrum Pub.,},
	year = {c2008.},
	address = {Golden, Colo. :},
	note = {Originally published: Cape Town : Africa Geographic, 2005.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10288656}
}