| article html file updated | 31 August 2025 06:54 CEST | Update | https://www.mdpi.com/2071-1050/12/1/30 |
| article html file updated | 19 July 2022 21:22 CEST | Update | - |
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| article xml uploaded. | 23 February 2021 04:04 CET | Update | https://www.mdpi.com/2071-1050/12/1/30/xml |
| article pdf uploaded. | 23 February 2021 04:04 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/1/30/pdf |
| article html file updated | 14 February 2020 19:51 CET | Update | - |
| article html file updated | 21 December 2019 03:56 CET | Original file | - |
| article pdf uploaded. | 21 December 2019 03:55 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/1/30/pdf-vor |
| article xml uploaded. | 21 December 2019 03:55 CET | Update | - |
| article xml file uploaded | 21 December 2019 03:55 CET | Update | - |
| article pdf uploaded. | 18 December 2019 16:10 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/30/pdf-vor |
| article xml file uploaded | 18 December 2019 16:10 CET | Original file | - |
