| article html file updated | 2 September 2025 03:01 CEST | Update | https://www.mdpi.com/2311-5521/6/4/144 |
| article html file updated | 25 July 2022 11:10 CEST | Update | N/A |
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| article pdf uploaded. | 8 April 2021 07:49 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/4/144/pdf |
| article xml uploaded. | 8 April 2021 07:49 CEST | Update | https://www.mdpi.com/2311-5521/6/4/144/xml |
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| article pdf uploaded. | 7 April 2021 15:22 CEST | Version of Record | https://www.mdpi.com/2311-5521/6/4/144/pdf-vor |
