| article html file updated | 31 August 2025 17:14 CEST | Update | https://www.mdpi.com/2226-471X/5/2/13 |
| article html file updated | 21 July 2022 01:43 CEST | Update | - |
| article html file updated | 25 April 2020 14:40 CEST | Original file | - |
| article pdf uploaded. | 25 April 2020 14:38 CEST | Updated version of record | https://www.mdpi.com/2226-471X/5/2/13/pdf |
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| article pdf uploaded. | 13 April 2020 11:19 CEST | Version of Record | https://www.mdpi.com/2226-471X/5/2/13/pdf-vor |
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