TY  - GEN
AU  - WORLD HEALTH ORGANIZATION
TI  - Urban air pollution in Megacities of the world: Earthwatch:global environment monitoring system
SN  - 0-631-18404-X
AV  - TD883.U729 
PY  - 1992///
CY  - Oxford
PB  - Blackwell Publishers
KW  - Air-pollution
KW  - Urbanization-Environmental aspects
KW  - Metropolitan areas
ER  -