| article html file updated | 31 August 2025 04:58 CEST | Update | https://www.mdpi.com/1996-1073/12/23/4431 |
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| article pdf uploaded. | 2 December 2019 07:59 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/23/4431/pdf |
| article xml uploaded. | 2 December 2019 07:59 CET | Update | https://www.mdpi.com/1996-1073/12/23/4431/xml |
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| article pdf uploaded. | 21 November 2019 16:31 CET | Version of Record | https://www.mdpi.com/1996-1073/12/23/4431/pdf-vor |
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