1. Measurement of biogenic sulfurcontaining gas emissions from soils and vegetation;Adams,1978
2. Direct measurements of emission rates of some atmospheric biogenic sulfur compounds;Aneja,1978
3. Background air and precipitation chemistry;Barrie,1978
4. Atmospheric Turbidity and Precipitation Chemistry Data for the World;EPA,1977
5. National Air Quality Monitoring and Emissions Trends Rep., 1977;EPA;Publ. No. EPA-45010-78-052,1978