| article html file updated | 30 August 2025 00:23 CEST | Update | https://www.mdpi.com/2071-1050/9/2/253 |
| article html file updated | 16 July 2022 04:49 CEST | Update | N/A |
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| article xml uploaded. | 19 February 2017 04:36 CET | Original file | https://www.mdpi.com/2071-1050/9/2/253/xml |
| article pdf uploaded. | 19 February 2017 04:36 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/2/253/pdf |
| article pdf uploaded. | 10 February 2017 15:41 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/253/pdf-vor |
