| article html file updated | 31 August 2025 07:20 CEST | Update | https://www.mdpi.com/2079-9292/9/1/18 |
| article html file updated | 19 July 2022 20:57 CEST | Update | - |
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| article pdf uploaded. | 30 December 2019 08:03 CET | Updated version of record | https://www.mdpi.com/2079-9292/9/1/18/pdf |
| article xml uploaded. | 30 December 2019 08:03 CET | Update | https://www.mdpi.com/2079-9292/9/1/18/xml |
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| article pdf uploaded. | 23 December 2019 17:18 CET | Version of Record | https://www.mdpi.com/2079-9292/9/1/18/pdf-vor |
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