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0001085869-17-000002-index-headers.html | 2017-01-04 16:25:14 | |
0001085869-17-000002-index.html | 2017-01-04 16:25:14 | |
0001085869-17-000002.txt | 2017-01-04 16:25:14 | |
prft8-k_ras.htm | 17774 | 2017-01-04 16:25:14 |
prft_ras_pressrelease.htm | 11125 | 2017-01-04 16:25:14 |