| article html file updated | 31 August 2025 06:52 CEST | Update | https://www.mdpi.com/2073-4433/11/1/2 |
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| article pdf uploaded. | 22 December 2019 13:37 CET | Updated version of record | https://www.mdpi.com/2073-4433/11/1/2/pdf |
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| article pdf uploaded. | 18 December 2019 13:08 CET | Version of Record | https://www.mdpi.com/2073-4433/11/1/2/pdf-vor |
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