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| 0000076321-15-000019-index.html | 2015-04-14 17:05:02 | |
| 0000076321-15-000019.txt | 2015-04-14 17:05:02 | |
| pkd-41415xexhibit991.htm | 8788 | 2015-04-14 17:05:02 |
| pkd-41415xexhibit992.htm | 562297 | 2015-04-14 17:05:02 |
| pkd8-k41415.htm | 28658 | 2015-04-14 17:05:02 |