Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000051931-17-002096-index-headers.html | 2017-11-22 11:32:58 | |
| 0000051931-17-002096-index.html | 2017-11-22 11:32:58 | |
| 0000051931-17-002096.txt | 2017-11-22 11:32:58 | |
 0000051931-17-002096-xbrl.zip | 48158 | 2017-11-22 11:32:58 |
 BarChart1.png | 28125 | 2017-11-22 11:32:58 |
| ck0000770161-20171031.xml | 120921 | 2017-11-22 11:32:58 |
| ck0000770161-20171031.xsd | 11998 | 2017-11-22 11:32:58 |
| ck0000770161-20171031_cal.xml | 5061 | 2017-11-22 11:32:58 |
| ck0000770161-20171031_def.xml | 180659 | 2017-11-22 11:32:58 |
| ck0000770161-20171031_lab.xml | 196530 | 2017-11-22 11:32:58 |
| ck0000770161-20171031_pre.xml | 202987 | 2017-11-22 11:32:58 |
| FilingSummary.xml | 3634 | 2017-11-22 11:32:58 |
| gvt485bxbrl.htm | 183348 | 2017-11-22 11:32:58 |
| R1.htm | 52194 | 2017-11-22 11:32:58 |
| R10.htm | 3934 | 2017-11-22 11:32:58 |
| R2.htm | 188332 | 2017-11-22 11:32:58 |
| R9.htm | 427790 | 2017-11-22 11:32:58 |
| report.css | 2767 | 2017-11-22 11:32:58 |
| Show.js | 1410 | 2017-11-22 11:32:58 |