| article html file updated | 16 August 2026 22:06 CEST | Update | https://www.mdpi.com/1996-1073/13/1/97 |
| article html file updated | 31 August 2025 07:21 CEST | Update | N/A |
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| article pdf uploaded. | 31 December 2019 03:35 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/97/pdf |
| article xml uploaded. | 31 December 2019 03:35 CET | Update | https://www.mdpi.com/1996-1073/13/1/97/xml |
| article xml file uploaded | 31 December 2019 03:35 CET | Update | N/A |
| article html file updated | 24 December 2019 06:40 CET | Original file | N/A |
| article pdf uploaded. | 24 December 2019 06:39 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/97/pdf-vor |
| article xml uploaded. | 24 December 2019 06:39 CET | Update | N/A |
| article xml file uploaded | 24 December 2019 06:39 CET | Original file | N/A |
