TY  - GEN
AU  - United Nations Environment Programme
AU  - Monitoring and Assessment Research Centre
AU  - World Health Organization
PY  - 1988
UR  - https://wedocs.unep.org/handle/20.500.11822/25978
LA  - English
KW  - air quality
KW  - air pollution
KW  - pollution control
KW  - sulphur dioxide
KW  - particulate matter
KW  - nitrogen oxide
KW  - carbon
KW  - lead
KW  - urban area
KW  - city
KW  - case study
KW  - Norway
KW  - United Kingdom
KW  - Hungary
KW  - Hong Kong
KW  - United States
KW  - Greece
KW  - China
KW  - Netherlands
KW  - Canada
TI  - Assessment of Urban Air Quality
M3  - Communication or other resource
ER  -