Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000895126-11-000102-index.html | 2011-04-13 16:35:59 | |
| 0000895126-11-000102.txt | 2011-04-13 16:35:59 | |
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| chk04132011_8k.htm | 28116 | 2011-04-13 16:35:59 |
| chk04132011_991.htm | 14133 | 2011-04-13 16:35:59 |
| chk04132011_992.htm | 22979 | 2011-04-13 16:35:59 |