Environmental control seminar proceedings, Rotterdam, Warsaw, Bucharest, May 25-June 4, 1971.
Contributors: United States. Bureau of International Commerce.
Publisher: Bureau of International Commerce; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 297
Subjects: Environmental engineering -- Congresses.; Water -- Pollution -- Congresses.; Air -- Pollution -- Congresses.
Notes: Includes bibliographical references.
"A United States Department of Commerce publication."