| article html file updated | 30 August 2025 14:41 CEST | Update | https://www.mdpi.com/2224-2708/8/2/26 |
| article html file updated | 19 July 2022 18:13 CEST | Update | N/A |
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| article html file updated | 5 May 2019 12:50 CEST | Original file | N/A |
| article pdf uploaded. | 5 May 2019 12:48 CEST | Version of Record | https://www.mdpi.com/2224-2708/8/2/26/pdf |
| article xml uploaded. | 5 May 2019 12:48 CEST | Update | https://www.mdpi.com/2224-2708/8/2/26/xml |
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