Urban air pollution
By: [text, John McCormick].
Contributors: United Nations Environment Programme.
Series: UNEP/GEMS environment library ;; no. 4
Publisher: UNEP
Published: 1991
Place of publication: Nairobi
Language: eng
Number of pages: 36
Subjects: Global Environmental Monitoring System.; Air -- Pollution.; Urban health.
Other titles: UNEP/WHO GEMS Assessment of urban air quality.
Notes: Includes bibliographical references (p. 36).
Cover title.
"Based on UNEP/WHO GEMS Assessment of urban air quality (Geneva, 1988)"--T.p. verso.