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| 0001104659-12-032425.txt | 2012-05-03 11:26:11 | |
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| a12-8277_110q.htm | 727356 | 2012-05-03 11:26:11 |
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| a12-8277_1ex31d1.htm | 14099 | 2012-05-03 11:26:11 |
| a12-8277_1ex31d2.htm | 14128 | 2012-05-03 11:26:11 |
| a12-8277_1ex32d1.htm | 8096 | 2012-05-03 11:26:11 |
| FilingSummary.xml | 9357 | 2012-05-03 11:26:11 |
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| gpx-20120331_def.xml | 81447 | 2012-05-03 11:26:11 |
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| R10.htm | 18852 | 2012-05-03 11:26:11 |
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