| article html file updated | 31 August 2025 07:04 CEST | Update | https://www.mdpi.com/2071-1050/12/1/73 |
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| article html file updated | 14 February 2020 20:25 CET | Update | - |
| article html file updated | 25 December 2019 13:25 CET | Original file | - |
| article pdf uploaded. | 25 December 2019 13:23 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/1/73/pdf |
| article xml uploaded. | 25 December 2019 13:23 CET | Update | https://www.mdpi.com/2071-1050/12/1/73/xml |
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| article pdf uploaded. | 20 December 2019 11:37 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/73/pdf-vor |
| article xml file uploaded | 20 December 2019 11:37 CET | Original file | - |
