| article html file updated | 1 September 2025 19:33 CEST | Update | https://www.mdpi.com/2076-393X/9/2/81 |
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| article pdf uploaded. | 5 February 2021 09:53 CET | Updated version of record | https://www.mdpi.com/2076-393X/9/2/81/pdf |
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| article html file updated | 28 January 2021 04:27 CET | Original file | - |
| article pdf uploaded. | 28 January 2021 04:25 CET | Updated version of record | https://www.mdpi.com/2076-393X/9/2/81/pdf-vor |
| article xml uploaded. | 28 January 2021 04:25 CET | Update | - |
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| article pdf uploaded. | 23 January 2021 15:39 CET | Version of Record | https://www.mdpi.com/2076-393X/9/2/81/pdf-vor |
