| article html file updated | 1 September 2025 21:54 CEST | Update | https://www.mdpi.com/2304-6732/8/2/54 |
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| article pdf uploaded. | 18 February 2021 10:31 CET | Updated version of record | https://www.mdpi.com/2304-6732/8/2/54/pdf |
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| article html file updated | 17 February 2021 10:55 CET | Original file | - |
| article pdf uploaded. | 17 February 2021 10:53 CET | Version of Record | https://www.mdpi.com/2304-6732/8/2/54/pdf-vor |
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