TY  - BOOK
TI  - Air pollution control in the México city metropolitan área: results for the short-term program consolidated final report. 15 abril 1991 revised june 1991 
U1  - 363.7392 
PY  - 1991///
CY  - México
PB  - DDF
KW  - Aire
KW  - Contaminación
KW  - México
KW  - Calidad Ambiental
ER  -