| article html file updated | 31 August 2025 11:45 CEST | Update | https://www.mdpi.com/2077-1312/8/2/121 |
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| article pdf uploaded. | 15 February 2020 08:05 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/121/pdf |
| article xml uploaded. | 15 February 2020 08:05 CET | Update | https://www.mdpi.com/2077-1312/8/2/121/xml |
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