| article html file updated | 2 September 2025 07:37 CEST | Update | https://www.mdpi.com/2226-471X/6/2/91 |
| article html file updated | 26 July 2022 20:08 CEST | Update | - |
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| article pdf uploaded. | 22 June 2021 12:54 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/91/pdf |
| article xml uploaded. | 22 June 2021 12:54 CEST | Update | https://www.mdpi.com/2226-471X/6/2/91/xml |
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| article html file updated | 18 May 2021 14:39 CEST | Original file | - |
| article pdf uploaded. | 18 May 2021 14:37 CEST | Version of Record | https://www.mdpi.com/2226-471X/6/2/91/pdf-vor |
| article xml file uploaded | 18 May 2021 14:37 CEST | Original file | - |