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|---|---|---|
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| 0000051931-18-001192-index.html | 2018-11-21 10:57:12 | |
| 0000051931-18-001192.txt | 2018-11-21 10:57:12 | |
 0000051931-18-001192-xbrl.zip | 46367 | 2018-11-21 10:57:12 |
 BarChart1.png | 27707 | 2018-11-21 10:57:12 |
| ck0000770161-20181031.xml | 108690 | 2018-11-21 10:57:12 |
| ck0000770161-20181031.xsd | 11911 | 2018-11-21 10:57:12 |
| ck0000770161-20181031_cal.xml | 5029 | 2018-11-21 10:57:12 |
| ck0000770161-20181031_def.xml | 179726 | 2018-11-21 10:57:12 |
| ck0000770161-20181031_lab.xml | 196096 | 2018-11-21 10:57:12 |
| ck0000770161-20181031_pre.xml | 201962 | 2018-11-21 10:57:12 |
| FilingSummary.xml | 3619 | 2018-11-21 10:57:12 |
| gvt485bxbrl.htm | 214190 | 2018-11-21 10:57:12 |
| R1.htm | 52195 | 2018-11-21 10:57:12 |
| R10.htm | 3935 | 2018-11-21 10:57:12 |
| R2.htm | 179177 | 2018-11-21 10:57:12 |
| R9.htm | 397637 | 2018-11-21 10:57:12 |
| report.css | 2767 | 2018-11-21 10:57:12 |
| Show.js | 1085 | 2018-11-21 10:57:12 |