| article html file updated | 15 August 2026 21:30 CEST | Update | https://www.mdpi.com/2076-0760/8/4/117 |
| article html file updated | 30 August 2025 13:53 CEST | Update | N/A |
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| article html file updated | 11 April 2019 13:05 CEST | Original file | N/A |
| article pdf uploaded. | 11 April 2019 13:03 CEST | Version of Record | https://www.mdpi.com/2076-0760/8/4/117/pdf |
| article xml uploaded. | 11 April 2019 13:03 CEST | Update | https://www.mdpi.com/2076-0760/8/4/117/xml |
| article xml file uploaded | 11 April 2019 13:03 CEST | Original file | N/A |
