| article html file updated | 15 August 2026 17:43 CEST | Update | https://www.mdpi.com/1996-1944/12/4/668 |
| article html file updated | 11 February 2020 18:09 CET | Update | N/A |
| article html file updated | 26 April 2019 12:15 CEST | Update | N/A |
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| article html file updated | 23 February 2019 09:35 CET | Original file | N/A |
| article pdf uploaded. | 23 February 2019 09:33 CET | Version of Record | https://www.mdpi.com/1996-1944/12/4/668/pdf |
| article xml uploaded. | 23 February 2019 09:33 CET | Update | https://www.mdpi.com/1996-1944/12/4/668/xml |
| article xml file uploaded | 23 February 2019 09:33 CET | Original file | N/A |
