@book{216802,
	author = {Lupfer, Gilbert. and Sigel, Paul.},
	title = {Walter Gropius, 1883-1969},
	publisher = {Tashen},
	year = {2006},
	series = {Back to visual basics},
	address = {Germany},
	note = {Translation of: Walter Gropius, 1883-1969: Propagandist der neuen Form.}
}