| article html file updated | 31 August 2025 07:56 CEST | Update | https://www.mdpi.com/2227-9717/8/1/44 |
| article html file updated | 19 July 2022 20:22 CEST | Update | - |
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| article pdf uploaded. | 1 January 2020 08:26 CET | Version of Record | https://www.mdpi.com/2227-9717/8/1/44/pdf |
| article xml uploaded. | 1 January 2020 08:26 CET | Update | https://www.mdpi.com/2227-9717/8/1/44/xml |
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