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| article html file updated | 31 August 2025 09:51 CEST | Update | - |
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| article html file updated | 29 February 2020 10:38 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 10:36 CET | Updated version of record | https://www.mdpi.com/1648-9144/56/2/51/pdf |
| article xml uploaded. | 29 February 2020 10:36 CET | Update | https://www.mdpi.com/1648-9144/56/2/51/xml |
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| article pdf uploaded. | 24 January 2020 10:24 CET | Version of Record | https://www.mdpi.com/1648-9144/56/2/51/pdf-vor |
| article xml file uploaded | 24 January 2020 10:24 CET | Original file | - |
