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| 0000077281-18-000018-index.html | 2018-02-16 14:09:30 | |
| 0000077281-18-000018.txt | 2018-02-16 14:09:30 | |
 0000077281-18-000018-xbrl.zip | 451970 | 2018-02-16 14:09:30 |
| a2017q410-k.htm | 3928348 | 2018-02-16 14:09:30 |
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| report.css | 2768 | 2018-02-16 14:09:30 |
| Show.js | 1411 | 2018-02-16 14:09:30 |