Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000067716-13-000137-index.html | 2013-12-18 20:16:40 | |
| 0000067716-13-000137.txt | 2013-12-18 20:16:40 | |
| earningsguidance.htm | 8523 | 2013-12-18 20:16:40 |
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| mdu121820138k.htm | 25631 | 2013-12-18 20:16:40 |