| article html file updated | 31 August 2025 10:32 CEST | Update | https://www.mdpi.com/2223-7747/9/2/183 |
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| article html file updated | 6 March 2020 08:43 CET | Update | - |
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| article pdf uploaded. | 2 March 2020 03:34 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/183/pdf |
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| article pdf uploaded. | 2 February 2020 16:16 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/183/pdf-vor |
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