| article html file updated | 31 August 2025 09:41 CEST | Update | https://www.mdpi.com/1996-1073/13/3/539 |
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| article pdf uploaded. | 6 February 2020 12:39 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/3/539/pdf |
| article xml uploaded. | 6 February 2020 12:39 CET | Update | https://www.mdpi.com/1996-1073/13/3/539/xml |
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| article pdf uploaded. | 22 January 2020 10:26 CET | Version of Record | https://www.mdpi.com/1996-1073/13/3/539/pdf-vor |
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