| article html file updated | 31 August 2025 08:15 CEST | Update | https://www.mdpi.com/2218-273X/10/1/87 |
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| article pdf uploaded. | 22 January 2020 12:15 CET | Updated version of record | https://www.mdpi.com/2218-273X/10/1/87/pdf |
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| article pdf uploaded. | 5 January 2020 11:27 CET | Version of Record | https://www.mdpi.com/2218-273X/10/1/87/pdf-vor |
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