| article html file updated | 14 August 2026 23:56 CEST | Update | https://www.mdpi.com/2071-1050/10/4/1009 |
| article html file updated | 9 February 2020 11:45 CET | Update | N/A |
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| article xml uploaded. | 29 March 2018 11:51 CEST | Original file | https://www.mdpi.com/2071-1050/10/4/1009/xml |
| article pdf uploaded. | 29 March 2018 11:51 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/4/1009/pdf |
