| article html file updated | 24 December 2025 23:26 CET | Update | https://www.mdpi.com/2309-608X/6/4/296 |
| article html file updated | 1 September 2025 13:44 CEST | Update | - |
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| article pdf uploaded. | 18 November 2020 06:50 CET | Version of Record | https://www.mdpi.com/2309-608X/6/4/296/pdf |
| article xml uploaded. | 18 November 2020 06:50 CET | Update | https://www.mdpi.com/2309-608X/6/4/296/xml |
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