| article html file updated | 1 September 2025 23:29 CEST | Update | https://www.mdpi.com/2226-471X/6/1/40 |
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| article html file updated | 18 March 2021 15:14 CET | Update | - |
| article pdf uploaded. | 18 March 2021 15:13 CET | Updated version of record | https://www.mdpi.com/2226-471X/6/1/40/pdf |
| article xml uploaded. | 18 March 2021 15:13 CET | Update | https://www.mdpi.com/2226-471X/6/1/40/xml |
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| article pdf uploaded. | 4 March 2021 10:48 CET | Version of Record | https://www.mdpi.com/2226-471X/6/1/40/pdf-vor |
| article xml file uploaded | 4 March 2021 10:48 CET | Original file | - |
