TY  - BOOK
ED  - Eartwatch
ED  - Global Environment Monitoring System
TI  - Urban air pollution in megacities of the world / Earthwach
SN  - 063118404X
U1  - 363.7392 
PY  - 1992///
CY  - Cambridge,: 
PB  -  Blackwell Reference, 
KW  - AIRE
KW  - ÁREAS METROPOLITANAS
KW  - URBANIZACIÓN
N1  - 1. Air Pollution Review.-- 2. Detailed Megacity Reports
ER  -