| article html file updated | 31 August 2025 12:31 CEST | Update | https://www.mdpi.com/1996-1073/13/4/997 |
| article html file updated | 20 July 2022 21:01 CEST | Update | - |
| article html file updated | 7 March 2020 16:11 CET | Update | - |
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| article html file updated | 24 February 2020 13:52 CET | Update | - |
| article html file updated | 24 February 2020 13:52 CET | Original file | - |
| article pdf uploaded. | 24 February 2020 13:50 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/997/pdf |
| article xml file uploaded | 24 February 2020 13:50 CET | Update | https://www.mdpi.com/1996-1073/13/4/997/xml |
| article pdf uploaded. | 24 February 2020 13:50 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/997/pdf-vor |
| article xml uploaded. | 24 February 2020 13:50 CET | Update | - |
| article xml file uploaded | 24 February 2020 13:50 CET | Update | - |
| article pdf uploaded. | 23 February 2020 11:57 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/997/pdf-vor |
| article xml file uploaded | 23 February 2020 11:57 CET | Update | - |
| article pdf uploaded. | 23 February 2020 11:56 CET | Version of Record | https://www.mdpi.com/1996-1073/13/4/997/pdf-vor |
| article xml file uploaded | 23 February 2020 11:56 CET | Original file | - |