Photochemical oxidant air pollution : a report of the Air Management Sector Group on the problem of photochemical oxidants and their precursors in the atmosphere. - 93 pages : illustrations ; 24 cm ISBN: 9264113932 LCCN: 76362462 Nat. Bib. No.: F*** Subjects--Topical Terms: Photochemical smogPhotochemical oxidants--Environmental aspects LC Class. No.: TD884.3 / .O74 1975p