| article html file updated | 31 August 2025 23:45 CEST | Update | https://www.mdpi.com/2073-4425/11/6/657 |
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| article xml uploaded. | 17 June 2020 03:58 CEST | Update | https://www.mdpi.com/2073-4425/11/6/657/xml |
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| article pdf uploaded. | 16 June 2020 12:16 CEST | Version of Record | https://www.mdpi.com/2073-4425/11/6/657/pdf-vor |
