http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Air pollution by fluorine compounds from primary aluminium smelting
Organisation for Economic Co-operation and Development
At head of title: Environment Directorate.
"This report gives the results of a study undertaken by the O.E.C.D. Air Management Sector Group during 1971 and 1972."