| article html file updated | 29 August 2025 23:54 CEST | Update | https://www.mdpi.com/1996-1073/9/11/951 |
| article html file updated | 16 July 2022 03:51 CEST | Update | - |
| article html file updated | 7 February 2020 18:00 CET | Update | - |
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| article html file updated | 15 November 2016 12:36 CET | Original file | - |
| article xml uploaded. | 15 November 2016 12:35 CET | Update | https://www.mdpi.com/1996-1073/9/11/951/xml |
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| article pdf uploaded. | 15 November 2016 12:35 CET | Version of Record | https://www.mdpi.com/1996-1073/9/11/951/pdf |
