| article html file updated | 30 August 2025 10:44 CEST | Update | https://www.mdpi.com/1996-1073/12/1/194 |
| article html file updated | 17 July 2022 21:50 CEST | Update | - |
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| article html file updated | 9 January 2019 10:55 CET | Original file | - |
| article pdf uploaded. | 9 January 2019 10:53 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/194/pdf |
| article xml uploaded. | 9 January 2019 10:53 CET | Update | https://www.mdpi.com/1996-1073/12/1/194/xml |
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| article pdf uploaded. | 8 January 2019 14:29 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/194/pdf-vor |
| article pdf uploaded. | 8 January 2019 14:28 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/194/pdf-vor |
| article xml file uploaded | 8 January 2019 14:28 CET | Original file | - |