@book{33961,
	author = {Air Pollution Technical Information Center. and United States},
	title = {Air pollution translations},
	publisher = {U.S. National Air Pollution Control Administration},
	year = {1969-},
	series = {National Air Pollution Control Administration publication},
	address = {Arlington, Va.},
	note = {Vols. 5- EPA-450/1-74-001.}
}