| article html file updated | 31 August 2025 08:01 CEST | Update | https://www.mdpi.com/1999-4915/12/1/51 |
| article html file updated | 19 July 2022 20:18 CEST | Update | - |
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| article pdf uploaded. | 2 January 2020 07:48 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/51/pdf |
| article xml uploaded. | 2 January 2020 07:48 CET | Update | https://www.mdpi.com/1999-4915/12/1/51/xml |
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