@book{57121,
	author = {Owen, Harrison, and ebrary, Inc.},
	title = {Open space technology},
	publisher = {Berrett-Koehler Publishers,},
	year = {c2008.},
	address = {San Francisco, Calif. :},
	edition = {3rd ed., rev. and expanded.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10315436}
}