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| Utgitt
| London : Elsevier , c1991
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| Omfang
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| Opplysninger
| "Proceedings of a workshop held at Lappeenranta, Finland, on 18 June 1990 and jointly organised by the Commission of the European Communities, Directorate-General Science, Research and Development and the National Board of Waters and Environment, Helsinki" - Tittelsidens motstående side.. - På omslaget: Commission of the European Communities.
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| Emner
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| ISBN
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