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| 0001140361-12-016008.txt | 2012-03-15 17:23:05 | |
 0001140361-12-016008-xbrl.zip | 102726 | 2012-03-15 17:23:05 |
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| strl-20111231.xml | 981911 | 2012-03-15 17:23:05 |
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| strl-20111231_pre.xml | 146290 | 2012-03-15 17:23:05 |