1. Seasonal patterns of sulfate and nitrate in precipitation in the United States;Bowersox,1981
2. Seasonal variations in nitric acid, nitrate, sulfuric acid and ammonium in an urban area;Cadle,1984
3. Annual anthropogenic pollutant emission in the United States and southern Canada east of the Rocky Mountains;Clark;Atmospheric Environment,1980
4. The direct measurement of dry deposition to a polyethylene bucket and various surrogate surfaces;Dasch,1984
5. The effect of local emissions on wet and dry deposition in southeastern Michigan;Dasch;Atmospheric Environment,1984