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| 0001096385-18-000021-index.html | 2018-02-21 11:28:01 | |
| 0001096385-18-000021.txt | 2018-02-21 11:28:01 | |
 0001096385-18-000021-xbrl.zip | 445789 | 2018-02-21 11:28:01 |
| exhibit311201710k.htm | 16429 | 2018-02-21 11:28:01 |
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| report.css | 2768 | 2018-02-21 11:28:01 |
| Show.js | 1411 | 2018-02-21 11:28:01 |
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| vvc-20171231.xml | 4301692 | 2018-02-21 11:28:01 |
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| vvc10k2017doc.htm | 3133571 | 2018-02-21 11:28:01 |
| vvc10k2017exhibit211.htm | 31656 | 2018-02-21 11:28:01 |
| vvc10k2017exhibit231.htm | 3442 | 2018-02-21 11:28:01 |