| article html file updated | 1 September 2025 20:10 CEST | Update | https://www.mdpi.com/2218-1997/7/2/29 |
| article html file updated | 24 July 2022 07:23 CEST | Update | - |
| article html file updated | 3 February 2021 05:59 CET | Original file | - |
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| article xml uploaded. | 3 February 2021 05:58 CET | Update | https://www.mdpi.com/2218-1997/7/2/29/xml |
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| article pdf uploaded. | 3 February 2021 05:49 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/2/29/pdf-vor |
| article xml uploaded. | 3 February 2021 05:49 CET | Update | - |
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| article pdf uploaded. | 29 January 2021 17:19 CET | Version of Record | https://www.mdpi.com/2218-1997/7/2/29/pdf-vor |
