| article html file updated | 2 September 2025 02:29 CEST | Update | https://www.mdpi.com/2311-5521/6/4/138 |
| article html file updated | 25 July 2022 10:23 CEST | Update | - |
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| article html file updated | 10 April 2021 23:26 CEST | Update | - |
| article html file updated | 1 April 2021 15:08 CEST | Original file | - |
| article pdf uploaded. | 1 April 2021 15:07 CEST | Version of Record | https://www.mdpi.com/2311-5521/6/4/138/pdf |
| article xml uploaded. | 1 April 2021 15:07 CEST | Update | https://www.mdpi.com/2311-5521/6/4/138/xml |
| article xml file uploaded | 1 April 2021 15:07 CEST | Original file | - |
