| Extent: | 28 S. : graph. Darst. |
|---|---|
| Series: | Discussion paper / ZEW, Zentrum für Europäische Wirtschaftsforschung. - Mannheim : ZEW. - Vol. 03,68 : Information and communication technologies |
| Type of publication: | Book / Working Paper |
| Language: | English |
| Source: |
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