TY  - BOOK
ED  - United States.
TI  - Guidelines for air quality maintenance planning and analysis
U1  - 363.7392 
PY  - 1974///
CY  - Washington, D.C.
PB  - U.S. Environmental Protection Agency
KW  - Air Pollution
N1  - EPA-450/4-74-013; Library has v. 12; Vol. 12. Applying atomospheric simulation models to air quality maintenance areas
ER  -