| article html file updated | 31 August 2025 08:52 CEST | Update | https://www.mdpi.com/2227-9059/8/1/13 |
| article html file updated | 20 July 2022 17:24 CEST | Update | - |
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| article pdf uploaded. | 13 January 2020 11:47 CET | Version of Record | https://www.mdpi.com/2227-9059/8/1/13/pdf |
| article xml uploaded. | 13 January 2020 11:47 CET | Update | https://www.mdpi.com/2227-9059/8/1/13/xml |
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