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| 0001144204-10-042137-index.html | 2010-08-09 13:14:39 | |
| 0001144204-10-042137.txt | 2010-08-09 13:14:39 | |
 0001144204-10-042137-xbrl.zip | 58559 | 2010-08-09 13:14:39 |
| bhe-20100630.xml | 570861 | 2010-08-09 13:14:39 |
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| v191793_10q.htm | 1122100 | 2010-08-09 13:14:39 |
| v191793_ex31-1.htm | 16376 | 2010-08-09 13:14:39 |
| v191793_ex31-2.htm | 16431 | 2010-08-09 13:14:39 |
| v191793_ex32-1.htm | 7441 | 2010-08-09 13:14:39 |
| v191793_ex32-2.htm | 7440 | 2010-08-09 13:14:39 |