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| 0001104659-13-041939-index.html | 2013-05-15 15:43:58 | |
| 0001104659-13-041939.txt | 2013-05-15 15:43:58 | |
 0001104659-13-041939-xbrl.zip | 66133 | 2013-05-15 15:43:58 |
| a13-6340_20497.htm | 1038 | 2013-05-15 15:43:58 |
 BarChart1.jpg | 25450 | 2013-05-15 15:43:58 |
 BarChart2.jpg | 25866 | 2013-05-15 15:43:58 |
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| ck0000832566-20130502.xml | 92853 | 2013-05-15 15:43:58 |
| ck0000832566-20130502.xsd | 15335 | 2013-05-15 15:43:58 |
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| Financial_Report.xls | 258458 | 2013-05-15 15:43:58 |
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| R15.htm | 188049 | 2013-05-15 15:43:58 |
| R16.htm | 124585 | 2013-05-15 15:43:58 |
| R2.htm | 121479 | 2013-05-15 15:43:58 |
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| R23.htm | 4857 | 2013-05-15 15:43:58 |
| R8.htm | 189264 | 2013-05-15 15:43:58 |
| R9.htm | 123844 | 2013-05-15 15:43:58 |
| report.css | 2720 | 2013-05-15 15:43:58 |
| Show.js | 6423 | 2013-05-15 15:43:58 |