TY  - BOOK
ED  - United States
TI  - Air quality criteria for sulfur oxides
T2  - National Air Pollution Control Administration publication
AV  - TD 881 .U56
U1  - 628/.53/2 
PY  - 1969///
CY  - Washington, DC
PB  - National Air Pollution Control Administration
KW  - Air quality
KW  - Standards
KW  - Local
KW  - Sulfur oxides
N1  - "January 1969"; Includes bibliographies
ER  -