| article html file updated | 15 August 2026 13:30 CEST | Update | https://www.mdpi.com/1996-1944/12/1/67 |
| article html file updated | 11 February 2020 05:18 CET | Update | N/A |
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| article html file updated | 25 December 2018 15:07 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2018 15:06 CET | Version of Record | https://www.mdpi.com/1996-1944/12/1/67/pdf |
| article xml uploaded. | 25 December 2018 15:06 CET | Update | https://www.mdpi.com/1996-1944/12/1/67/xml |
| article xml file uploaded | 25 December 2018 15:06 CET | Original file | N/A |
