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| 0001047469-11-004791-index.html | 2011-05-09 16:02:15 | |
| 0001047469-11-004791.txt | 2011-05-09 16:02:15 | |
 0001047469-11-004791-xbrl.zip | 105699 | 2011-05-09 16:02:15 |
| a2203899z10-q.htm | 1124192 | 2011-05-09 16:02:15 |
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| a2203899zex-31_1.htm | 8143 | 2011-05-09 16:02:15 |
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| defnref.xml | 29763 | 2011-05-09 16:02:15 |
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| mwe-20110331.xsd | 36933 | 2011-05-09 16:02:15 |
| mwe-20110331_cal.xml | 65366 | 2011-05-09 16:02:15 |
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| mwe-20110331_lab.xml | 461117 | 2011-05-09 16:02:15 |
| mwe-20110331_pre.xml | 207529 | 2011-05-09 16:02:15 |
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| R10.xml | 63966 | 2011-05-09 16:02:15 |
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| R18.xml | 49764 | 2011-05-09 16:02:15 |
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| R22.xml | 17840 | 2011-05-09 16:02:15 |
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| R3.xml | 108084 | 2011-05-09 16:02:15 |
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| R7.xml | 8581 | 2011-05-09 16:02:15 |
| R8.xml | 18901 | 2011-05-09 16:02:15 |
| R9.xml | 60783 | 2011-05-09 16:02:15 |