| article html file updated | 15 August 2026 22:58 CEST | Update | https://www.mdpi.com/2227-9059/7/2/34 |
| article html file updated | 30 August 2025 14:33 CEST | Update | N/A |
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| article html file updated | 27 May 2019 10:41 CEST | Original file | N/A |
| article pdf uploaded. | 27 May 2019 10:40 CEST | Updated version of record | https://www.mdpi.com/2227-9059/7/2/34/pdf |
| article xml uploaded. | 27 May 2019 10:40 CEST | Update | https://www.mdpi.com/2227-9059/7/2/34/xml |
| article xml file uploaded | 27 May 2019 10:40 CEST | Update | N/A |
| article pdf uploaded. | 30 April 2019 14:13 CEST | Version of Record | https://www.mdpi.com/2227-9059/7/2/34/pdf-vor |
| article xml file uploaded | 30 April 2019 14:13 CEST | Original file | N/A |
