| article html file updated | 2 September 2025 02:11 CEST | Update | https://www.mdpi.com/2309-608X/7/4/257 |
| article html file updated | 25 July 2022 09:57 CEST | Update | - |
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| article pdf uploaded. | 31 March 2021 08:52 CEST | Updated version of record | https://www.mdpi.com/2309-608X/7/4/257/pdf |
| article xml uploaded. | 31 March 2021 08:52 CEST | Update | https://www.mdpi.com/2309-608X/7/4/257/xml |
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| article pdf uploaded. | 30 March 2021 14:12 CEST | Version of Record | https://www.mdpi.com/2309-608X/7/4/257/pdf-vor |
