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| Utgitt
| Bergen : Laboratory for Freshwater Ecology and Inland Fisheries, Zoological Institute, University of Bergen , 1993
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| Omfang
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| Opplysninger
| På omslaget: Convention on Long-Range Transboundary Air Pollution. International Co-operative Programme on Assessment and Monitoring of Acidification of Rivers and Lakes. - Elektronisk reproduksjon
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