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| 0001193125-14-199535-index.html | 2014-05-14 19:41:09 | |
| 0001193125-14-199535.txt | 2014-05-14 19:41:09 | |
 0001193125-14-199535-xbrl.zip | 27897 | 2014-05-14 19:41:09 |
| d703668d10q.htm | 105506 | 2014-05-14 19:41:09 |
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| d703668dex312.htm | 9059 | 2014-05-14 19:41:09 |
| d703668dex321.htm | 4543 | 2014-05-14 19:41:09 |
| dtipiv-20140331.xml | 50015 | 2014-05-14 19:41:09 |
| dtipiv-20140331.xsd | 19047 | 2014-05-14 19:41:09 |
| dtipiv-20140331_cal.xml | 23583 | 2014-05-14 19:41:09 |
| dtipiv-20140331_def.xml | 21458 | 2014-05-14 19:41:09 |
| dtipiv-20140331_lab.xml | 112389 | 2014-05-14 19:41:09 |
| dtipiv-20140331_pre.xml | 68860 | 2014-05-14 19:41:09 |
| FilingSummary.xml | 10453 | 2014-05-14 19:41:09 |
| Financial_Report.xls | 58905 | 2014-05-14 19:41:09 |
| Financial_Report.xlsx | 30999 | 2014-05-14 19:41:09 |
| R1.htm | 25582 | 2014-05-14 19:41:09 |
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| R9.htm | 8448 | 2014-05-14 19:41:09 |
| report.css | 2740 | 2014-05-14 19:41:09 |
| Show.js | 1410 | 2014-05-14 19:41:09 |