| article html file updated | 30 August 2025 10:52 CEST | Update | https://www.mdpi.com/1996-1073/12/2/216 |
| article html file updated | 17 July 2022 22:18 CEST | Update | - |
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| article html file updated | 17 January 2019 01:21 CET | Original file | - |
| article pdf uploaded. | 16 January 2019 10:41 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/216/pdf |
| article xml uploaded. | 16 January 2019 10:41 CET | Update | https://www.mdpi.com/1996-1073/12/2/216/xml |
| article xml file uploaded | 16 January 2019 10:41 CET | Update | - |
| article pdf uploaded. | 10 January 2019 18:42 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/216/pdf-vor |
| article pdf uploaded. | 10 January 2019 18:41 CET | Version of Record | https://www.mdpi.com/1996-1073/12/2/216/pdf-vor |
| article xml file uploaded | 10 January 2019 18:41 CET | Original file | - |
