1. Determination of sulfuric acid, total particle-phase acidity and nitric acid in ambient air;Appel,1979
2. Sampling and calibration of gaseous pollutants;Axelrod,1976
3. The fate of sulfuric acid aerosols in the atmosphere;Brosset,1979
4. Experiments on an industrial Venturi scrubber;Brink;Ind. Engng. Chem.,1958
5. Method for determination of atmospheric ammonia;Ferm;Atmospheric Environment,1979