Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 20 references without a DOI — listed, not checked
no DOI — not checkedAction Programme (1989) Action programme agreed between the Republic of Finland and the Union of Soviet Socialist Republics for the purpose of limiting and reducing the deposition and harmful effects of air pollutants emanating from areas near their common border, unofficial translation, November 7, 1989, Ministry of the Environment, Helsinki.
no DOI — not checkedAlcamo, J., M.Amann, J-P.Hettelingh, M.Holmberg, L.Hordijk, J.Kämäri, L.Kauppi, P.Kauppi, G.Kornai, and A.Mäkelä (1987), ‘Acidification in Europe: A Simulation Model for Evaluating Control Strategies’, Ambio
16, 232–245.
no DOI — not checkedAlcamo, J., R. Shaw, and L. Hordijk (eds) (1990), The Rains Model of Acidification. Sciences and Strategies in Europe, Kluwer Academic Publishers, Dordrecht.
no DOI — not checkedAmann, M. and G. Kornai (1987), Cost functions for controlling SO2 emissions in Europe, IIASA Working Paper WP-87-065.
no DOI — not checkedBasar, T. and G. J.Olsder (1982), Dynamic Noncooperative Game Theory, Academic Press, London.
no DOI — not checkedHari, P., M. Holmberg, and T. Raunemaa (1989), The dynamics of forest decline, Publication No. 96 of the Biosphere Dynamics Project, IIASA Working Paper WP-89-64.
no DOI — not checkedHari, P., T. Raunemaa, M. Holmberg, M. Kulmala, P. Anttila, J. Kukkonen, and E. Spring (1987), The effects of air pollution on forests in Finland 1900–2040, Ministry of the Environment, Environmental Protection and Nature Conservation Department, Series A, 58/1987.
no DOI — not checkedHolmberg, M. (1990a), Ion Exchange Dynamics and Soil Acidification: Model Development and Testing, Licentiate thesis, Helsinki University of Technology, Department of Information Sciences, Systems Analysis Laboratory.
no DOI — not checkedHolmberg, M. (1990b), ‘Model of Ion Dynamics and Acidification of Soil: Simulating Recovery of Base Saturation’, in J. Fenhann et al. (eds.), Environmental Models: Emissions and Consequences, pp. 359–368. Elsevier Science Publishers B.V., Amsterdam.
no DOI — not checkedInversen. T., J. Saltbones, H. Sandnes, A. Eliassen, and O. Hov (1989), Airborne transboundary transport of sulphur and nitrogen over Europe — Model descriptions and calculations, EMEP MSC-W Report 2/89, Det Norske Meteorologiske Institutt, Technical Report no. 80, ISSN 0332-9879.
no DOI — not checkedJohansson, M. and I.Savolainen (1990), ‘Regional Acidification Model for Forest Soils’, in P. Kauppi, P. Anttila, and K. Kenttämies (eds.), Acidification in Finland. Finnish Acidification Research Programme HAPRO 1985–1990, Springer-Verlag, Berlin, pp. 253–269.
no DOI — not checkedKaitala, V., M. Pohjola, and O. Tahvonen (1990), An economic analysis of transboundary air pollution between Finland and the Soviet Union, Discussion papers, ETLA — Research Institute of the Finnish Economy.
no DOI — not checkedKaitala, V., M. Pohjola, and O. Tahvonen (1991), ‘Transboundary Air Pollution between Finland and the USSR — A Dynamic Acid Rain Game’, in R. P. Hämäläinen and H. Ehtamo (eds.), Dynamic Games in Economic Analysis, Lecture Notes in Control and Information Sciences.
no DOI — not checkedKauppi, P., P. Anttila, and K. Kenttämies (eds.) (1990) Acidification in Finland. Finnish Acidification Research Programme HAPRO 1985–1990, Springer-Verlag, Berlin.
no DOI — not checkedLeitmann, G. (1974), Cooperative and Non-Cooperative Many Players Differential Games, Springer-Verlag, Vienna.
no DOI — not checkedNewbery, D.M. (1990) ‘Acid Rain’, Economic Policy, 11, 288–346.
no DOI — not checkedPajuoja, H. (1989), ‘Wood Utilization and Total Drain in Finland 1986–1987’, Folia Forestalia 732, The Finnish Forest Research Institute, Helsinki.
no DOI — not checkedSavolainen, I. and M. Tähtinen (1990), The HAKOMA project, Technical Research Center of Finland.
no DOI — not checkedThe Finnish Forest Research Institute, Yearbook of Forest Statistics, 1988.
no DOI — not checkedTuovinen, J.-P., L.Kangas, and G.Nordlund (1990), ‘Model Calculations of Sulphur and Nitrogen Depositions in Finland’, in P. Kauppi, P. Anttila, and K. Kenttämies (eds.), Acidification in Finland. Finnish Acidification Research Programme HAPRO 1985–1990, Springer-Verlag, Berlin, pp. 167–197.
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