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Annual Reports
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| 2011 | ||
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| 2005 |
Magazine
| Year | English | German |
| 2011 | ||
| 2010 | ||
| 2009 |
Profile
| Year | English | German |
| 2011 | ||
| 2010 | ||
| 2009 |
Quarterly Reports
| Year | Q1 | Q2 | Q3 | Q4 |
| 2011 | ||||
| 2010 | ||||
| 2009 | ||||
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| 2007 | ||||
| 2006 | ||||
| 2005 |
SEC-Filings
| Year | Form 6-K Q1 | Form 6-K Q2 | Form 6-K Q3 | Form 20-F |
| 2011 | ||||
| 2010 | ||||
| 2009 | ||||
| 2008 | ||||
| 2007 | ||||
| 2006 | ||||
| 2005 |
