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| 0001558370-17-008620.txt | 2017-11-09 07:16:19 | |
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| erf-20171109ex99251ed6b.htm | 1854645 | 2017-11-09 07:16:19 |
| erf-20171109ex993a12592.htm | 16567 | 2017-11-09 07:16:19 |
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