@book{96589,
	author = {Knaack, Ulrich. and ebrary, Inc.},
	title = {The future envelope 2},
	publisher = {IOS Press,},
	year = {c2009.},
	series = {Research in architectural engineering series,},
	address = {Amsterdam :},
	note = {Based on the contributions to The Future Envelope symposium held June 5, 2008 in Delft.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10375724}
}