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| Type | Company |
| Location | Berlin (Germany) |
| Industry | Computer Software and Services Industries |
| GND | 10093817-6 |
| Holdings | Newspaper clippings: 1973-2005 Annual reports: 1997-2005 |
| includes | PSI AG für Produkte und Systeme der Informationstechnologie (Berlin); PSI Gesellschaft für Prozeßsteuerungs- und Informationssysteme mbH (Berlin) |
| URI | https://pm20.zbw.eu/folder/co/018605 |
| ID | co/018605 |