@book{180653,
	author = {United Nations.},
	title = {Integration of economic and physical planning /},
	publisher = {United Nations,},
	year = {1975.},
	series = {[Document] - United Nations ; ST/ESA/36},
	address = {New York :},
	note = {Report of a meeting held Sept. 10-14, 1973, at United Nations headquarters.}
}