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| 0000086521-17-000016-index.html | 2017-02-28 11:42:19 | |
| 0000086521-17-000016.txt | 2017-02-28 11:42:19 | |
| ex99_1x20161231.htm | 679708 | 2017-02-28 11:42:19 |
| ex99_2x20161231.htm | 394736 | 2017-02-28 11:42:19 |
| scg8k20170228.htm | 35185 | 2017-02-28 11:42:19 |
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