| article html file updated | 31 August 2025 06:56 CEST | Update | https://www.mdpi.com/1996-1073/13/1/17 |
| article html file updated | 19 July 2022 21:21 CEST | Update | N/A |
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| article pdf uploaded. | 26 December 2019 03:56 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/17/pdf |
| article xml uploaded. | 26 December 2019 03:56 CET | Update | https://www.mdpi.com/1996-1073/13/1/17/xml |
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| article pdf uploaded. | 19 December 2019 09:19 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/17/pdf-vor |
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