| article html file updated | 14 August 2026 14:35 CEST | Update | https://www.mdpi.com/2071-1050/9/5/860 |
| article html file updated | 8 February 2020 06:15 CET | Update | N/A |
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| article xml uploaded. | 22 May 2017 12:49 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/860/xml |
| article pdf uploaded. | 22 May 2017 12:49 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/5/860/pdf |
| article pdf uploaded. | 19 May 2017 10:58 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/860/pdf-vor |
