| article html file updated | 30 August 2025 04:12 CEST | Update | https://www.mdpi.com/2071-1050/10/6/1821 |
| article html file updated | 16 July 2022 20:52 CEST | Update | N/A |
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| article html file updated | 27 June 2018 15:52 CEST | Update | N/A |
| article html file updated | 31 May 2018 17:01 CEST | Original file | N/A |
| article pdf uploaded. | 31 May 2018 17:00 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/6/1821/pdf |
| article xml uploaded. | 31 May 2018 17:00 CEST | Update | https://www.mdpi.com/2071-1050/10/6/1821/xml |
| article xml file uploaded | 31 May 2018 17:00 CEST | Original file | N/A |
