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| 0000929940-17-000025-index.html | 2017-08-10 16:12:03 | |
| 0000929940-17-000025.txt | 2017-08-10 16:12:03 | |
| a081020178-k.htm | 46820 | 2017-08-10 16:12:03 |
| a081020178-kxexhibit991.htm | 524159 | 2017-08-10 16:12:03 |
 aspentechnologylogoa14.jpg | 12241 | 2017-08-10 16:12:03 |