| article html file updated | 30 August 2025 00:50 CEST | Update | https://www.mdpi.com/2410-387X/1/2/12 |
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| article xml uploaded. | 31 July 2017 06:46 CEST | Original file | https://www.mdpi.com/2410-387X/1/2/12/xml |
| article pdf uploaded. | 31 July 2017 06:46 CEST | Updated version of record | https://www.mdpi.com/2410-387X/1/2/12/pdf |
| article pdf uploaded. | 30 July 2017 13:46 CEST | Updated version of record | https://www.mdpi.com/2410-387X/1/2/12/pdf-vor |
| article pdf uploaded. | 30 July 2017 13:37 CEST | Version of Record | https://www.mdpi.com/2410-387X/1/2/12/pdf-vor |
