| article html file updated | 30 August 2025 11:37 CEST | Update | https://www.mdpi.com/1996-1073/12/3/431 |
| article html file updated | 18 July 2022 02:35 CEST | Update | - |
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| article pdf uploaded. | 15 February 2019 02:34 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/3/431/pdf |
| article xml uploaded. | 15 February 2019 02:34 CET | Update | https://www.mdpi.com/1996-1073/12/3/431/xml |
| article xml file uploaded | 15 February 2019 02:34 CET | Update | - |
| article html file updated | 31 January 2019 02:52 CET | Original file | - |
| article pdf uploaded. | 30 January 2019 11:58 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/3/431/pdf-vor |
| article xml uploaded. | 30 January 2019 11:58 CET | Update | - |
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| article xml file uploaded | 29 January 2019 16:51 CET | Original file | - |
| article pdf uploaded. | 29 January 2019 16:51 CET | Version of Record | https://www.mdpi.com/1996-1073/12/3/431/pdf-vor |
