| article html file updated | 2 September 2025 03:07 CEST | Update | https://www.mdpi.com/2311-5521/6/4/145 |
| article html file updated | 25 July 2022 11:18 CEST | Update | - |
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| article pdf uploaded. | 9 April 2021 09:46 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/4/145/pdf |
| article xml uploaded. | 9 April 2021 09:46 CEST | Update | https://www.mdpi.com/2311-5521/6/4/145/xml |
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