| article html file updated | 30 August 2025 11:03 CEST | Update | https://www.mdpi.com/1996-1073/12/2/254 |
| article html file updated | 21 August 2025 20:27 CEST | Update | - |
| article html file updated | 11 February 2020 09:07 CET | Update | - |
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| article html file updated | 29 January 2019 10:36 CET | Update | - |
| article html file updated | 17 January 2019 07:47 CET | Original file | - |
| article pdf uploaded. | 17 January 2019 07:45 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/254/pdf |
| article xml uploaded. | 17 January 2019 07:45 CET | Update | https://www.mdpi.com/1996-1073/12/2/254/xml |
| article xml file uploaded | 17 January 2019 07:45 CET | Update | - |
| article pdf uploaded. | 15 January 2019 13:16 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/254/pdf-vor |
| article pdf uploaded. | 15 January 2019 12:52 CET | Version of Record | https://www.mdpi.com/1996-1073/12/2/254/pdf-vor |
| article xml file uploaded | 15 January 2019 12:52 CET | Original file | - |
