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| 0000950123-11-097860.txt | 2011-11-14 06:30:17 | |
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| b87835exv31w2.htm | 7502 | 2011-11-14 06:30:17 |
| b87835exv32.htm | 3438 | 2011-11-14 06:30:17 |
| b87835exv32w1.htm | 3098 | 2011-11-14 06:30:17 |
| FilingSummary.xml | 7873 | 2011-11-14 06:30:17 |
| Financial_Report.xls | 97540 | 2011-11-14 06:30:17 |
| pwx-20110930.xml | 99940 | 2011-11-14 06:30:17 |
| pwx-20110930.xsd | 10348 | 2011-11-14 06:30:17 |
| pwx-20110930_cal.xml | 33271 | 2011-11-14 06:30:17 |
| pwx-20110930_lab.xml | 116372 | 2011-11-14 06:30:17 |
| pwx-20110930_pre.xml | 71376 | 2011-11-14 06:30:17 |
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