1. AyersG. P., 1978, On the use of nitron for detection of nitrate in individual aerosol particles, Atmos. Environ. 12, 1227?1230.
2. AyersG. P. and GrasJ. L., 1983, The concentration of ammonia in Southern Ocean air, J. Geophys. Res. 88, 10655?10659.
3. Bevington, P. R., 1969, Data Reduction and Error Analysis for the Physical Sciences, McGraw-Hill.
4. BowesoxV. C. and DePenaR. G., 1980, Analysis of precipitation chemistry at a central Pennsylvania site, J. Geophys. Res. 85, 5164?5620.
5. Dal Pont, G., Hogan, M., and Newell, B., 1974, Laboratory techniques in marine chemistry. II: Determination of ammonia in sea water and the preservation of samples for nitrate analysis, CSIRO Division of Fisheries and Oceanography Report No. 55.