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| 0001445305-13-000176-index.html | 2013-02-07 15:58:36 | |
| 0001445305-13-000176.txt | 2013-02-07 15:58:36 | |
 0001445305-13-000176-xbrl.zip | 122552 | 2013-02-07 15:58:36 |
| exhibit311-mtrxx2012x12x31.htm | 13035 | 2013-02-07 15:58:36 |
| exhibit321-mtrxx2012x12x31.htm | 6999 | 2013-02-07 15:58:36 |
| exhibit322-mtrxx2012x12x31.htm | 6985 | 2013-02-07 15:58:36 |
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| mtrx-20121231.xsd | 35688 | 2013-02-07 15:58:36 |
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