| article html file updated | 31 August 2025 11:57 CEST | Update | https://www.mdpi.com/2079-6439/8/2/15 |
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| article html file updated | 6 March 2020 06:30 CET | Update | - |
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| article pdf uploaded. | 1 March 2020 07:47 CET | Updated version of record | https://www.mdpi.com/2079-6439/8/2/15/pdf |
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| article pdf uploaded. | 18 February 2020 10:10 CET | Version of Record | https://www.mdpi.com/2079-6439/8/2/15/pdf-vor |
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