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| 0000797923-18-000017-index.html | 2018-10-10 11:02:56 | |
| 0000797923-18-000017.txt | 2018-10-10 11:02:56 | |
 0000797923-18-000017-xbrl.zip | 39277 | 2018-10-10 11:02:56 |
 BarChart1.png | 29341 | 2018-10-10 11:02:56 |
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| ck0000797923-20181001.xml | 52431 | 2018-10-10 11:02:56 |
| ck0000797923-20181001.xsd | 8470 | 2018-10-10 11:02:56 |
| ck0000797923-20181001_cal.xml | 5021 | 2018-10-10 11:02:56 |
| ck0000797923-20181001_def.xml | 139101 | 2018-10-10 11:02:56 |
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| R10.htm | 3935 | 2018-10-10 11:02:56 |
| R2.htm | 123367 | 2018-10-10 11:02:56 |
| R9.htm | 240369 | 2018-10-10 11:02:56 |
| report.css | 2767 | 2018-10-10 11:02:56 |
| Show.js | 1085 | 2018-10-10 11:02:56 |