| article html file updated | 31 August 2025 08:24 CEST | Update | https://www.mdpi.com/2311-5521/5/1/9 |
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| article html file updated | 15 February 2020 00:51 CET | Update | - |
| article html file updated | 27 January 2020 06:52 CET | Original file | - |
| article pdf uploaded. | 27 January 2020 06:51 CET | Updated version of record | https://www.mdpi.com/2311-5521/5/1/9/pdf |
| article xml uploaded. | 27 January 2020 06:51 CET | Update | https://www.mdpi.com/2311-5521/5/1/9/xml |
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| article pdf uploaded. | 7 January 2020 12:37 CET | Version of Record | https://www.mdpi.com/2311-5521/5/1/9/pdf-vor |
| article xml file uploaded | 7 January 2020 12:37 CET | Original file | - |
