| article html file updated | 30 August 2025 01:47 CEST | Update | https://www.mdpi.com/1996-1073/10/12/1937 |
| article html file updated | 16 July 2022 07:34 CEST | Update | - |
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| article html file updated | 28 November 2017 09:49 CET | Update | - |
| article xml uploaded. | 28 November 2017 09:48 CET | Update | https://www.mdpi.com/1996-1073/10/12/1937/xml |
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| article pdf uploaded. | 28 November 2017 09:48 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/1937/pdf |
| article html file updated | 23 November 2017 15:55 CET | Original file | - |
| article xml uploaded. | 23 November 2017 15:54 CET | Update | - |
| article xml uploaded. | 23 November 2017 15:54 CET | Original file | - |
| article pdf uploaded. | 23 November 2017 15:54 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1937/pdf-vor |
