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Note 12 - Contingent Liabilities
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3 Months Ended |
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Mar. 31, 2012
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| Notes to Financial Statements [abstract] | |
| Disclosure of contingent liabilities | (12) Contingent Liabilities
For a detailed description of our contingent liabilities, see our Annual Report 2011, Notes to the Consolidated Financial Statements section, Note (23). There have been no significant changes in contingent liabilities since December 31, 2011.
For information about contingent liabilities related to litigation, see Note (13).
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