| article html file updated | 1 September 2025 17:28 CEST | Update | https://www.mdpi.com/2073-8994/13/1/60 |
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| article pdf uploaded. | 4 January 2021 03:52 CET | Updated version of record | https://www.mdpi.com/2073-8994/13/1/60/pdf |
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| article pdf uploaded. | 31 December 2020 11:39 CET | Updated version of record | https://www.mdpi.com/2073-8994/13/1/60/pdf-vor |
| article pdf uploaded. | 31 December 2020 11:11 CET | Version of Record | https://www.mdpi.com/2073-8994/13/1/60/pdf-vor |
