Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000797923-12-000016-index-headers.html | 2012-09-17 12:59:53 | |
| 0000797923-12-000016-index.html | 2012-09-17 12:59:53 | |
| 0000797923-12-000016.txt | 2012-09-17 12:59:53 | |
 0000797923-12-000016-xbrl.zip | 26864 | 2012-09-17 12:59:53 |
 BarChart1.jpg | 25480 | 2012-09-17 12:59:53 |
| ck0000797923-20120430.xml | 59394 | 2012-09-17 12:59:53 |
| ck0000797923-20120430.xsd | 7471 | 2012-09-17 12:59:53 |
| ck0000797923-20120430_cal.xml | 2316 | 2012-09-17 12:59:53 |
| ck0000797923-20120430_def.xml | 104438 | 2012-09-17 12:59:53 |
| ck0000797923-20120430_lab.xml | 89337 | 2012-09-17 12:59:53 |
| ck0000797923-20120430_pre.xml | 117200 | 2012-09-17 12:59:53 |
| FilingSummary.xml | 2628 | 2012-09-17 12:59:53 |
| Financial_Report.xls | 115470 | 2012-09-17 12:59:53 |
| R1.htm | 24290 | 2012-09-17 12:59:53 |
| R2.htm | 142170 | 2012-09-17 12:59:53 |
| R9.htm | 268115 | 2012-09-17 12:59:53 |
| reference-022.htm | 1714 | 2012-09-17 12:59:53 |
| report.css | 2720 | 2012-09-17 12:59:53 |
| Show.js | 6423 | 2012-09-17 12:59:53 |