| article html file updated | 31 August 2025 07:28 CEST | Update | https://www.mdpi.com/2076-2607/8/1/48 |
| article html file updated | 19 July 2022 20:50 CEST | Update | - |
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| article html file updated | 25 December 2019 12:30 CET | Original file | - |
| article pdf uploaded. | 25 December 2019 12:28 CET | Version of Record | https://www.mdpi.com/2076-2607/8/1/48/pdf |
| article xml uploaded. | 25 December 2019 12:28 CET | Update | https://www.mdpi.com/2076-2607/8/1/48/xml |
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