| article html file updated | 30 August 2025 01:50 CEST | Update | https://www.mdpi.com/1996-1073/10/12/1976 |
| article html file updated | 16 July 2022 07:41 CEST | Update | - |
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| article html file updated | 29 November 2017 12:43 CET | Original file | - |
| article xml uploaded. | 29 November 2017 12:41 CET | Update | https://www.mdpi.com/1996-1073/10/12/1976/xml |
| article xml uploaded. | 29 November 2017 12:41 CET | Update | - |
| article xml uploaded. | 29 November 2017 12:41 CET | Update | - |
| article xml uploaded. | 29 November 2017 12:41 CET | Original file | - |
| article pdf uploaded. | 29 November 2017 12:41 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1976/pdf |