| article html file updated | 31 August 2025 05:17 CEST | Update | https://www.mdpi.com/2079-6382/8/4/241 |
| article html file updated | 19 July 2022 22:56 CEST | Update | - |
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| article html file updated | 30 December 2019 10:28 CET | Update | - |
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| article pdf uploaded. | 17 December 2019 02:23 CET | Updated version of record | https://www.mdpi.com/2079-6382/8/4/241/pdf |
| article xml uploaded. | 17 December 2019 02:23 CET | Update | https://www.mdpi.com/2079-6382/8/4/241/xml |
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| article pdf uploaded. | 28 November 2019 10:39 CET | Version of Record | https://www.mdpi.com/2079-6382/8/4/241/pdf-vor |
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