| article html file updated | 31 August 2025 17:59 CEST | Update | https://www.mdpi.com/2305-6320/7/4/20 |
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| article html file updated | 8 May 2020 13:22 CEST | Update | - |
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| article pdf uploaded. | 20 April 2020 12:58 CEST | Version of Record | https://www.mdpi.com/2305-6320/7/4/20/pdf-vor |
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