| article html file updated | 31 August 2025 04:50 CEST | Update | https://www.mdpi.com/2079-6382/8/4/228 |
| article html file updated | 19 July 2022 23:26 CEST | Update | - |
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| article html file updated | 30 December 2019 10:24 CET | Update | - |
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| article pdf uploaded. | 11 December 2019 05:10 CET | Updated version of record | https://www.mdpi.com/2079-6382/8/4/228/pdf |
| article xml uploaded. | 11 December 2019 05:10 CET | Update | https://www.mdpi.com/2079-6382/8/4/228/xml |
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| article pdf uploaded. | 19 November 2019 10:56 CET | Version of Record | https://www.mdpi.com/2079-6382/8/4/228/pdf-vor |
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