1. Barret, K. and Seland, O. (1995) European transboundary acidifying air pollution. EMEP/MSC-WReport 1/95, EMEP/MSC-W. Oslo. 77 p. + appendices.
2. Bartnicki, J., Modzelewski, H., Szewczyk-Bartnicka, H., Saltbones, J., Berge, E. and Bott, A. (1993) An Eulerian model for atmospheric transport of heavy metals over Europe: Model development and testing. Norske Meteorol. Inst., Oslo. Technical Report 117. 60 p.
3. Derwent, R.G. and Kay, P.J.A. (1993) Factors influencing the ground level distributions of ozone in Europe. Environ. Pol lut. 55:191–220.
4. Finnish Meteorological Institute (1998) Air quality measurements 1996. Helsinki. 244 p.
5. Hongisto, M. (1992) A simulation model for the transport, transformation and deposition of oxidized nitrogen compounds in Finland, 1985 and 1988 simulation results. Finn. Meteorol. Inst., Contr. 9. 114 p.