References
- Asman, W. A. H. and Van Jaarsveld, H. A. 1991. A variable-resolution statistical transport model applied for ammonia and ammonium. RIVM, Bilthoven, report 228471007.
- Janssen, L. H. J. M., Visser, H. and Römer, F. G. 1989. Analysis of large-scale sulphate, nitrate, chloride and ammonium concentrations in The Netherlands using an aerosol measuring network. Atmos. Environ. 23, 2783–2796.
- Leek C. and Rodhe H. 1989. On the relation between anthropogenic SO2 emissions and concentration of sulfate in air and precipitation. Atmos. Environ. 23, 959–966.