| article html file updated | 1 September 2025 17:35 CEST | Update | https://www.mdpi.com/2309-608X/7/1/21 |
| article html file updated | 23 July 2022 09:34 CEST | Update | - |
| article html file updated | 4 January 2021 06:45 CET | Update | - |
| article pdf uploaded. | 4 January 2021 06:43 CET | Updated version of record | https://www.mdpi.com/2309-608X/7/1/21/pdf |
| article html file updated | 1 January 2021 11:57 CET | Original file | - |
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| article xml uploaded. | 1 January 2021 11:56 CET | Update | https://www.mdpi.com/2309-608X/7/1/21/xml |
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