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| 0001193125-12-213443-index.html | 2012-05-07 07:01:28 | |
| 0001193125-12-213443.txt | 2012-05-07 07:01:28 | |
 0001193125-12-213443-xbrl.zip | 38215 | 2012-05-07 07:01:28 |
| astc-20120331.xml | 318607 | 2012-05-07 07:01:28 |
| astc-20120331.xsd | 12872 | 2012-05-07 07:01:28 |
| astc-20120331_cal.xml | 30063 | 2012-05-07 07:01:28 |
| astc-20120331_lab.xml | 106445 | 2012-05-07 07:01:28 |
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| d343950d10q.htm | 433667 | 2012-05-07 07:01:28 |
| d343950dex311.htm | 10204 | 2012-05-07 07:01:28 |
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| d343950dex32.htm | 3085 | 2012-05-07 07:01:28 |
| FilingSummary.xml | 10432 | 2012-05-07 07:01:28 |
| Financial_Report.xls | 282001 | 2012-05-07 07:01:28 |
| R1.htm | 26724 | 2012-05-07 07:01:28 |
| R10.htm | 10995 | 2012-05-07 07:01:28 |
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| R2.htm | 105985 | 2012-05-07 07:01:28 |
| R20.htm | 6835 | 2012-05-07 07:01:28 |
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| R7.htm | 6626 | 2012-05-07 07:01:28 |
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