1. Global atmospheric background parameters. BAPMoN data for 1979;BAPMoN,1983
2. Historical trends of sulfur oxide emissions in Europe since 1865;Bettelheim,1979
3. Observations of various chemical contaminants of the precipitation at a BAPMoN station in the Eastern Pre-alpine Region;Chehak,1983
4. Co-operative programme for monitoring and evaluation of the long range transmission of air pollutants in Europe;EMEP,1981
5. The importance of investigation global background pollution;Eriksson,1970