Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000051931-17-001038-index-headers.html | 2017-04-27 14:16:55 | |
| 0000051931-17-001038-index.html | 2017-04-27 14:16:55 | |
| 0000051931-17-001038.txt | 2017-04-27 14:16:55 | |
 0000051931-17-001038-xbrl.zip | 29900 | 2017-04-27 14:16:55 |
| ck0000770161-20170406.xml | 22929 | 2017-04-27 14:16:55 |
| ck0000770161-20170406.xsd | 8844 | 2017-04-27 14:16:55 |
| ck0000770161-20170406_cal.xml | 5053 | 2017-04-27 14:16:55 |
| ck0000770161-20170406_def.xml | 103401 | 2017-04-27 14:16:55 |
| ck0000770161-20170406_lab.xml | 193210 | 2017-04-27 14:16:55 |
| ck0000770161-20170406_pre.xml | 115562 | 2017-04-27 14:16:55 |
| FilingSummary.xml | 3427 | 2017-04-27 14:16:55 |
| Financial_Report.xlsx | 8453 | 2017-04-27 14:16:55 |
| gvt497xbrl.htm | 6004 | 2017-04-27 14:16:55 |
| R1.htm | 55796 | 2017-04-27 14:16:55 |
| R2.htm | 12057 | 2017-04-27 14:16:55 |
| R3.htm | 14681 | 2017-04-27 14:16:55 |
| R4.htm | 3933 | 2017-04-27 14:16:55 |
| report.css | 2767 | 2017-04-27 14:16:55 |
| Show.js | 1410 | 2017-04-27 14:16:55 |