| article html file updated | 30 August 2025 10:34 CEST | Update | https://www.mdpi.com/2309-608X/5/1/4 |
| article html file updated | 17 July 2022 20:36 CEST | Update | N/A |
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| article html file updated | 3 January 2019 11:15 CET | Original file | N/A |
| article pdf uploaded. | 3 January 2019 11:13 CET | Version of Record | https://www.mdpi.com/2309-608X/5/1/4/pdf |
| article xml uploaded. | 3 January 2019 11:13 CET | Update | https://www.mdpi.com/2309-608X/5/1/4/xml |
| article xml file uploaded | 3 January 2019 11:13 CET | Original file | N/A |
