| article html file updated | 31 August 2025 05:24 CEST | Update | https://www.mdpi.com/1996-1073/12/23/4561 |
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| article pdf uploaded. | 2 December 2019 10:15 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/23/4561/pdf |
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| article pdf uploaded. | 29 November 2019 15:07 CET | Version of Record | https://www.mdpi.com/1996-1073/12/23/4561/pdf-vor |
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