http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Guide to the appraisal and control of air pollution
Program Area Committee on Air Pollution.
First ed., 1962, has title: Guide to air pollution control.
American Public Health Association. Program Area Committee on Air Pollution.
New York, American Public Health Association, 1969