| article html file updated | 31 August 2025 06:53 CEST | Update | https://www.mdpi.com/2079-6412/10/1/4 |
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| article pdf uploaded. | 24 December 2019 06:39 CET | Updated version of record | https://www.mdpi.com/2079-6412/10/1/4/pdf |
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| article pdf uploaded. | 18 December 2019 15:02 CET | Version of Record | https://www.mdpi.com/2079-6412/10/1/4/pdf-vor |
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