| article html file updated | 31 August 2025 06:20 CEST | Update | https://www.mdpi.com/2218-273X/9/12/859 |
| article html file updated | 19 July 2022 21:54 CEST | Update | - |
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| article html file updated | 31 December 2019 12:59 CET | Update | - |
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| article pdf uploaded. | 16 December 2019 05:02 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/12/859/pdf |
| article xml uploaded. | 16 December 2019 05:02 CET | Update | https://www.mdpi.com/2218-273X/9/12/859/xml |
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| article pdf uploaded. | 11 December 2019 16:46 CET | Version of Record | https://www.mdpi.com/2218-273X/9/12/859/pdf-vor |
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