| article html file updated | 31 August 2025 09:11 CEST | Update | https://www.mdpi.com/2227-7102/10/1/21 |
| article html file updated | 20 July 2022 17:42 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:32 CET | Update | N/A |
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| article pdf uploaded. | 16 January 2020 13:27 CET | Version of Record | https://www.mdpi.com/2227-7102/10/1/21/pdf |
| article xml uploaded. | 16 January 2020 13:27 CET | Update | https://www.mdpi.com/2227-7102/10/1/21/xml |
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