| article html file updated | 31 August 2025 09:52 CEST | Update | https://www.mdpi.com/2076-0817/9/2/77 |
| article html file updated | 20 July 2022 18:24 CEST | Update | - |
| article html file updated | 6 March 2020 06:19 CET | Update | - |
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| article pdf uploaded. | 1 March 2020 02:22 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/2/77/pdf |
| article xml uploaded. | 1 March 2020 02:22 CET | Update | https://www.mdpi.com/2076-0817/9/2/77/xml |
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| article pdf uploaded. | 24 January 2020 11:16 CET | Version of Record | https://www.mdpi.com/2076-0817/9/2/77/pdf-vor |
| article xml file uploaded | 24 January 2020 11:16 CET | Original file | - |
