Technical report.
Contributors: North Atlantic Treaty Organization. Committee on the Challenges of Modern Society.
Series: Air pollution technical report; n. 4
Publisher: Environmental Protection Agency
Published: 1971
Place of publication: Rockville, Md
Language: eng
Subjects: Automobiles -- Motors -- Exhaust gas -- Congresses.; Air -- Pollution -- Congresses.; Automobiles -- Motors -- Congresses.
Notes: Includes bibliographies.
Sponsored by the NATO Committee on the Challenges of Modern Society.