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| 0000007039-17-000021-index.html | 2017-05-09 09:08:24 | |
| 0000007039-17-000021.txt | 2017-05-09 09:08:24 | |
 0000007039-17-000021-xbrl.zip | 148181 | 2017-05-09 09:08:24 |
| exhibit10c.htm | 52813 | 2017-05-09 09:08:24 |
| exhibit10d.htm | 66647 | 2017-05-09 09:08:24 |
| exhibit311.htm | 11547 | 2017-05-09 09:08:24 |
| exhibit312.htm | 11583 | 2017-05-09 09:08:24 |
| exhibit321.htm | 2662 | 2017-05-09 09:08:24 |
| exhibit322.htm | 2738 | 2017-05-09 09:08:24 |
| FilingSummary.xml | 31889 | 2017-05-09 09:08:24 |
| Financial_Report.xlsx | 63483 | 2017-05-09 09:08:24 |
| form10q033117.htm | 911484 | 2017-05-09 09:08:24 |
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| prefer.htm | 3838 | 2017-05-09 09:08:24 |
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| report.css | 2767 | 2017-05-09 09:08:24 |
| Show.js | 1410 | 2017-05-09 09:08:24 |
| trec-20170331.xml | 1064449 | 2017-05-09 09:08:24 |
| trec-20170331.xsd | 49439 | 2017-05-09 09:08:24 |
| trec-20170331_cal.xml | 62282 | 2017-05-09 09:08:24 |
| trec-20170331_def.xml | 229995 | 2017-05-09 09:08:24 |
| trec-20170331_lab.xml | 717228 | 2017-05-09 09:08:24 |
| trec-20170331_pre.xml | 386105 | 2017-05-09 09:08:24 |