1. A model for the reversible washout of sulfur dioxide, ammonia and carbon dioxide from a polluted atmosphere and the production of sulfates in raindrops;Adamowicz;Atmospheric Environment,1979
2. Estimated historical concentrations and depositions of ammonia and ammonium in Europe and their origin (1870–1980);Asman,1987
3. A long-range transport model for ammonia and ammonium for Europe and some model experiments;Asman,1986
4. Long-term deposit at Rothamsted, southern England;Brimblecombe;Tellus,1980
5. Historical trend in the ammonia emission in Europe (1870–1980);Buijsman,1986