| article html file updated | 30 August 2025 10:18 CEST | Update | https://www.mdpi.com/1996-1944/12/1/53 |
| article html file updated | 17 July 2022 18:29 CEST | Update | - |
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| article html file updated | 25 December 2018 02:25 CET | Original file | - |
| article pdf uploaded. | 25 December 2018 02:23 CET | Updated version of record | https://www.mdpi.com/1996-1944/12/1/53/pdf |
| article xml uploaded. | 25 December 2018 02:23 CET | Update | https://www.mdpi.com/1996-1944/12/1/53/xml |
| article xml file uploaded | 25 December 2018 02:23 CET | Update | - |
| article pdf uploaded. | 24 December 2018 11:23 CET | Version of Record | https://www.mdpi.com/1996-1944/12/1/53/pdf-vor |
| article xml uploaded. | 24 December 2018 11:23 CET | Update | - |
| article xml file uploaded | 24 December 2018 11:23 CET | Original file | - |
