| article html file updated | 31 August 2025 04:20 CEST | Update | https://www.mdpi.com/2223-7747/8/11/484 |
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| article pdf uploaded. | 21 November 2019 10:24 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/11/484/pdf |
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| article pdf uploaded. | 8 November 2019 15:33 CET | Version of Record | https://www.mdpi.com/2223-7747/8/11/484/pdf-vor |
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