| article html file updated | 30 August 2025 00:52 CEST | Update | https://www.mdpi.com/2071-1050/9/8/1371 |
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| article xml uploaded. | 7 August 2017 03:22 CEST | Original file | https://www.mdpi.com/2071-1050/9/8/1371/xml |
| article pdf uploaded. | 7 August 2017 03:22 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/8/1371/pdf |
| article pdf uploaded. | 3 August 2017 11:10 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/8/1371/pdf-vor |
