@book{9532,
	author = {U.S. Dept. of Housing and Urban Development. and United States},
	title = {Housing systems proposals for operation breakthrough.},
	publisher = {U.S. Dept. of Housing and Urban Development; for sale by the Supt. of Docs., U.S. Govt. Print. Off.},
	year = {1970 [i.e. 1971]},
	address = {Washington}
}