| article html file updated | 31 August 2025 15:17 CEST | Update | https://www.mdpi.com/2311-5521/5/1/40 |
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| article html file updated | 2 April 2020 14:34 CEST | Update | - |
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| article pdf uploaded. | 26 March 2020 11:17 CET | Updated version of record | https://www.mdpi.com/2311-5521/5/1/40/pdf |
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| article pdf uploaded. | 23 March 2020 16:54 CET | Version of Record | https://www.mdpi.com/2311-5521/5/1/40/pdf-vor |
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