| article html file updated | 29 August 2025 23:49 CEST | Update | https://www.mdpi.com/1996-1073/9/11/894 |
| article html file updated | 16 July 2022 03:43 CEST | Update | - |
| article html file updated | 7 February 2020 17:16 CET | Update | - |
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| article html file updated | 31 October 2016 11:23 CET | Original file | - |
| article xml uploaded. | 31 October 2016 11:22 CET | Update | https://www.mdpi.com/1996-1073/9/11/894/xml |
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| article pdf uploaded. | 31 October 2016 11:22 CET | Version of Record | https://www.mdpi.com/1996-1073/9/11/894/pdf |
