| article html file updated | 31 August 2025 05:02 CEST | Update | https://www.mdpi.com/2309-608X/5/4/108 |
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| article html file updated | 28 November 2019 00:15 CET | Original file | - |
| article pdf uploaded. | 27 November 2019 11:18 CET | Updated version of record | https://www.mdpi.com/2309-608X/5/4/108/pdf |
| article xml uploaded. | 27 November 2019 11:18 CET | Update | https://www.mdpi.com/2309-608X/5/4/108/xml |
| article xml file uploaded | 27 November 2019 11:18 CET | Update | - |
| article pdf uploaded. | 22 November 2019 14:15 CET | Version of Record | https://www.mdpi.com/2309-608X/5/4/108/pdf-vor |
| article xml file uploaded | 22 November 2019 14:15 CET | Original file | - |
