Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000797923-11-000013-index-headers.html | 2011-09-07 09:54:06 | |
| 0000797923-11-000013-index.html | 2011-09-07 09:54:06 | |
| 0000797923-11-000013.txt | 2011-09-07 09:54:06 | |
 0000797923-11-000013-xbrl.zip | 24644 | 2011-09-07 09:54:06 |
 BarChart1.jpg | 25250 | 2011-09-07 09:54:06 |
| ck0000797923-20110430.xml | 51411 | 2011-09-07 09:54:06 |
| ck0000797923-20110430.xsd | 7515 | 2011-09-07 09:54:06 |
| ck0000797923-20110430_cal.xml | 2316 | 2011-09-07 09:54:06 |
| ck0000797923-20110430_def.xml | 105577 | 2011-09-07 09:54:06 |
| ck0000797923-20110430_lab.xml | 63853 | 2011-09-07 09:54:06 |
| ck0000797923-20110430_pre.xml | 105947 | 2011-09-07 09:54:06 |
| FilingSummary.xml | 2679 | 2011-09-07 09:54:06 |
| Financial_Report.xls | 119150 | 2011-09-07 09:54:06 |
| lp1-022.htm | 38875 | 2011-09-07 09:54:06 |
| R1.htm | 24204 | 2011-09-07 09:54:06 |
| R2.htm | 134623 | 2011-09-07 09:54:06 |
| R9.htm | 268579 | 2011-09-07 09:54:06 |
| report.css | 2721 | 2011-09-07 09:54:06 |
| Show.js | 6423 | 2011-09-07 09:54:06 |