Proceedings
Subtitle: addendum 1-3
By: Organized by the Working Party on Air Pollution Problems of the United Nations Economic Commission for Europe and held in Geneva, 16-20 November 1970.
Series: United Nations. Document. ST/ECE/AirPoll/1/Addendum
Published: 1971
Place of publication: New York
Language: eng
Subjects: Air -- Pollution -- Congresses.; Desulphuration.