| article html file updated | 31 August 2025 16:30 CEST | Update | https://www.mdpi.com/2079-6439/8/4/22 |
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| article html file updated | 8 May 2020 19:32 CEST | Update | - |
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| article pdf uploaded. | 4 April 2020 15:58 CEST | Version of Record | https://www.mdpi.com/2079-6439/8/4/22/pdf-vor |
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