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| 0000929940-18-000005-index.html | 2018-01-24 16:12:49 | |
| 0000929940-18-000005.txt | 2018-01-24 16:12:49 | |
| a012420188-k.htm | 47065 | 2018-01-24 16:12:49 |
| a012420188-kxexhibit991.htm | 526567 | 2018-01-24 16:12:49 |
 aspentechnologylogoa20.jpg | 12241 | 2018-01-24 16:12:49 |