| article html file updated | 31 August 2025 05:15 CEST | Update | https://www.mdpi.com/2079-6382/8/4/237 |
| article html file updated | 19 July 2022 22:58 CEST | Update | - |
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| article pdf uploaded. | 29 November 2019 03:52 CET | Updated version of record | https://www.mdpi.com/2079-6382/8/4/237/pdf |
| article xml uploaded. | 29 November 2019 03:52 CET | Update | https://www.mdpi.com/2079-6382/8/4/237/xml |
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| article pdf uploaded. | 27 November 2019 14:43 CET | Version of Record | https://www.mdpi.com/2079-6382/8/4/237/pdf-vor |
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