@book{214596,
	author = {Werthmann, Christian and Michael Van Valkenburgh Associates.},
	title = {Green roof},
	publisher = {Princeton Architectural Press},
	year = {c2007.},
	address = {New York},
	edition = {1st ed.},
	note = {"Michael Van Valkenburgh Associates' design for the headquarters of the American Society of Landscape Architects."}
}