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0001437749-13-006925-index-headers.html | 2013-05-31 16:01:58 | |
0001437749-13-006925-index.html | 2013-05-31 16:01:58 | |
0001437749-13-006925.txt | 2013-05-31 16:01:58 | |
sigm20130530_def14a.htm | 475429 | 2013-05-31 16:01:58 |
sigma1.jpg | 156395 | 2013-05-31 16:01:58 |
sigma2.jpg | 139809 | 2013-05-31 16:01:58 |