1. Atmospheric sulfur dioxide and sulfate. Distribution of concentration at urban and nonurban sites in United States;Altschuller;Environ. Sci. Technol.,1973
2. Regional transport and transformation of sulfur dioxide to sulfates in the United States;Altschuller;J. Air Pollut. Control Ass.,1976
3. An experimental investigation of the absorption of sulphur dioxide by cloud and rain drops containing heavy metals;Barrie,1975
4. A gravimetric method for determining the size distribution of particulates suspended in air;Lee,1969
5. Sulfate and nitrate particulates as related to SO2 and NOx gases and emission;Sandberg;J. Air Pollut. Control Ass.,1975