TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Detailed analysis of ozone state implementation plans in seven areas selected for retrospective evaluation of reasons for state implementation plan future: Volume I : Executive summary
U1  - 660.061.3 A512 4502 0009994 
PY  - 1989///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Contaminación atmosférica
KW  - Contaminación urbana
KW  - Calidad del aire
ER  -