| article html file updated | 31 August 2025 11:35 CEST | Update | https://www.mdpi.com/1996-1073/13/4/815 |
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| article pdf uploaded. | 21 February 2020 13:22 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/815/pdf |
| article xml uploaded. | 21 February 2020 13:22 CET | Update | https://www.mdpi.com/1996-1073/13/4/815/xml |
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| article pdf uploaded. | 13 February 2020 16:07 CET | Version of Record | https://www.mdpi.com/1996-1073/13/4/815/pdf-vor |
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