Directory of national and international pollution monitoring programs.
Contributors: United Nations Environment Programme.; Smithsonian Institution.
Publisher: United Nations
Published: 1974
Place of publication: [Geneva]
Language: eng
Subjects: Pollution control -- Monitoring.
Notes: This directory contains the preliminary results of a world-wide survey...undertaken by the Smithsonian Institution. This directory was prepared for evaluation at the United Nations Intergovernmental Meeting on Monitoring in Nairobi in February 1974.

At head of t.p.: United Nations Environment Program.