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| 0000928022-12-000041.txt | 2012-05-07 17:09:47 | |
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| a2012-1qcpeform10xq.htm | 779342 | 2012-05-07 17:09:47 |
| cpe-20120331.xml | 298514 | 2012-05-07 17:09:47 |
| cpe-20120331.xsd | 15372 | 2012-05-07 17:09:47 |
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| cpe-20120331_lab.xml | 192057 | 2012-05-07 17:09:47 |
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| cpe-ex311x20120331.htm | 11364 | 2012-05-07 17:09:47 |
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