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| 0001004155-13-000037-index.html | 2013-04-30 08:16:18 | |
| 0001004155-13-000037.txt | 2013-04-30 08:16:18 | |
 0001004155-13-000037-xbrl.zip | 220130 | 2013-04-30 08:16:18 |
| exhibit_12.htm | 80050 | 2013-04-30 08:16:18 |
| exhibit_31-1.htm | 12792 | 2013-04-30 08:16:18 |
| exhibit_31-2.htm | 13086 | 2013-04-30 08:16:18 |
| exhibit_32-1.htm | 5909 | 2013-04-30 08:16:18 |
| exhibit_32-2.htm | 5819 | 2013-04-30 08:16:18 |
| FilingSummary.xml | 31293 | 2013-04-30 08:16:18 |
| Financial_Report.xls | 2434697 | 2013-04-30 08:16:18 |
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| gas-20130331.xsd | 72222 | 2013-04-30 08:16:18 |
| gas-20130331_cal.xml | 50638 | 2013-04-30 08:16:18 |
| gas-20130331_def.xml | 370716 | 2013-04-30 08:16:18 |
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| report.css | 2721 | 2013-04-30 08:16:18 |
| Show.js | 6423 | 2013-04-30 08:16:18 |