| article html file updated | 25 December 2025 14:36 CET | Update | https://www.mdpi.com/2227-7072/9/2/32 |
| article html file updated | 2 September 2025 11:29 CEST | Update | - |
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| article pdf uploaded. | 18 June 2021 13:50 CEST | Updated version of record | https://www.mdpi.com/2227-7072/9/2/32/pdf |
| article xml uploaded. | 18 June 2021 13:50 CEST | Update | https://www.mdpi.com/2227-7072/9/2/32/xml |
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