@misc{iiasa4013,
           title = {Modelling of Long-term Impact on Soil Acidification for Three Sites in Europe},
         address = {IIASA, Laxenburg, Austria},
       publisher = {XQ-94-819},
            year = {1994},
             url = {https://pure.iiasa.ac.at/id/eprint/4013/},
          author = {Joensson, C. and Schoepp, W. and Warfvinge, P. and Sverdrup, H.}
}