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| Utgitt
| Berlin : Springer-Verlag , c1988
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| Omfang
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| Opplysninger
| "A report prepared under contract for the Commission of the European Communities, Directorate-General for Science, Research and Development by Fraunhofer-Institut für Systemtechnik und Innovationsforschung"
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| Emner
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| Geografisk emneord
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| ISBN
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