Parent Directory| Name | Size | Last Modified |
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| 0001193125-12-232659-index.html | 2012-05-15 06:40:28 | |
| 0001193125-12-232659.txt | 2012-05-15 06:40:28 | |
 0001193125-12-232659-xbrl.zip | 16852 | 2012-05-15 06:40:28 |
| d339462d10q.htm | 128545 | 2012-05-15 06:40:28 |
| d339462dex311.htm | 10055 | 2012-05-15 06:40:28 |
| d339462dex312.htm | 10198 | 2012-05-15 06:40:28 |
| d339462dex321.htm | 4459 | 2012-05-15 06:40:28 |
| dtrpl-20120331.xml | 27945 | 2012-05-15 06:40:28 |
| dtrpl-20120331.xsd | 6909 | 2012-05-15 06:40:28 |
| dtrpl-20120331_cal.xml | 17759 | 2012-05-15 06:40:28 |
| dtrpl-20120331_lab.xml | 63212 | 2012-05-15 06:40:28 |
| dtrpl-20120331_pre.xml | 39512 | 2012-05-15 06:40:28 |
| FilingSummary.xml | 6521 | 2012-05-15 06:40:28 |
| Financial_Report.xls | 39096 | 2012-05-15 06:40:28 |
| R1.htm | 23636 | 2012-05-15 06:40:28 |
| R10.htm | 8352 | 2012-05-15 06:40:28 |
| R11.htm | 6055 | 2012-05-15 06:40:28 |
| R12.htm | 9292 | 2012-05-15 06:40:28 |
| R2.htm | 86163 | 2012-05-15 06:40:28 |
| R3.htm | 6796 | 2012-05-15 06:40:28 |
| R4.htm | 41270 | 2012-05-15 06:40:28 |
| R5.htm | 53048 | 2012-05-15 06:40:28 |
| R6.htm | 13182 | 2012-05-15 06:40:28 |
| R7.htm | 8625 | 2012-05-15 06:40:28 |
| R8.htm | 9979 | 2012-05-15 06:40:28 |
| R9.htm | 10426 | 2012-05-15 06:40:28 |
| report.css | 2721 | 2012-05-15 06:40:28 |
| Show.js | 6423 | 2012-05-15 06:40:28 |