1. Effects of acidification on Swedish lakes;Almer;Ambio,1974
2. The acidity of Scandinavian precipitation;Barrett;Tellus,1955
3. Acidification of the La Cloche mountain lakes and resulting fish mortalities;Beamish;J. Fish. Res. Bd. Can.,1972
4. Air pollution across national boundaries: The impact on the environment of sulfur in air and precipitation Report of the Swedish Preparatory Committee for the U.N. Conference on the Human Environment B. Bolin Stockholm 1971
5. Lysimeter investigations, 2, Composition of rainwater at Geneva, N. Y., for a 10-year period;Collison;N. Y. Agr. Exp. Sta. Geneva Tech. Bull.,1932