| article html file updated | 18 August 2026 04:51 CEST | Update | https://www.mdpi.com/2309-608X/6/4/219 |
| article html file updated | 24 December 2025 22:09 CET | Update | N/A |
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| article html file updated | 22 July 2022 20:35 CEST | Update | N/A |
| article html file updated | 12 October 2020 09:33 CEST | Original file | N/A |
| article pdf uploaded. | 12 October 2020 09:32 CEST | Version of Record | https://www.mdpi.com/2309-608X/6/4/219/pdf |
| article xml uploaded. | 12 October 2020 09:32 CEST | Update | https://www.mdpi.com/2309-608X/6/4/219/xml |
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