| article html file updated | 1 September 2025 22:28 CEST | Update | https://www.mdpi.com/2072-6694/13/4/921 |
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| article pdf uploaded. | 24 February 2021 08:18 CET | Updated version of record | https://www.mdpi.com/2072-6694/13/4/921/pdf |
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| article html file updated | 24 February 2021 07:59 CET | Original file | - |
| article pdf uploaded. | 24 February 2021 07:58 CET | Updated version of record | https://www.mdpi.com/2072-6694/13/4/921/pdf-vor |
| article xml uploaded. | 24 February 2021 07:58 CET | Update | - |
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| article pdf uploaded. | 22 February 2021 16:28 CET | Version of Record | https://www.mdpi.com/2072-6694/13/4/921/pdf-vor |
