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| article html file updated | 16 July 2022 04:08 CEST | Update | N/A |
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| article xml uploaded. | 15 December 2016 03:39 CET | Update | https://www.mdpi.com/1996-1073/9/12/1052/xml |
| article pdf uploaded. | 15 December 2016 03:39 CET | Updated version of record | https://www.mdpi.com/1996-1073/9/12/1052/pdf |
| article html file updated | 13 December 2016 12:10 CET | Original file | N/A |
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| article pdf uploaded. | 13 December 2016 12:08 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1052/pdf-vor |
