| article html file updated | 31 August 2025 07:37 CEST | Update | https://www.mdpi.com/2073-4409/9/1/74 |
| article html file updated | 19 July 2022 20:41 CEST | Update | - |
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| article html file updated | 31 December 2019 10:01 CET | Original file | - |
| article pdf uploaded. | 30 December 2019 13:10 CET | Updated version of record | https://www.mdpi.com/2073-4409/9/1/74/pdf |
| article xml uploaded. | 30 December 2019 13:10 CET | Update | https://www.mdpi.com/2073-4409/9/1/74/xml |
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| article pdf uploaded. | 27 December 2019 15:01 CET | Version of Record | https://www.mdpi.com/2073-4409/9/1/74/pdf-vor |
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