| article html file updated | 2 September 2025 02:22 CEST | Update | https://www.mdpi.com/2227-9091/9/4/63 |
| article html file updated | 25 July 2022 10:13 CEST | Update | N/A |
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| article pdf uploaded. | 1 April 2021 08:04 CEST | Updated version of record | https://www.mdpi.com/2227-9091/9/4/63/pdf |
| article xml uploaded. | 1 April 2021 08:04 CEST | Update | https://www.mdpi.com/2227-9091/9/4/63/xml |
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