| article html file updated | 31 August 2025 20:49 CEST | Update | https://www.mdpi.com/2226-471X/5/2/23 |
| article html file updated | 21 July 2022 05:13 CEST | Update | N/A |
| article html file updated | 18 May 2020 14:20 CEST | Original file | N/A |
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| article xml uploaded. | 18 May 2020 14:19 CEST | Update | https://www.mdpi.com/2226-471X/5/2/23/xml |
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