| article html file updated | 20 July 2022 16:49 CEST | Update | https://www.mdpi.com/2218-1997/5/1/34 |
| article html file updated | 11 February 2020 09:45 CET | Update | - |
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| article pdf uploaded. | 17 January 2019 13:29 CET | Version of Record | https://www.mdpi.com/2218-1997/5/1/34/pdf |
| article xml uploaded. | 17 January 2019 13:29 CET | Update | https://www.mdpi.com/2218-1997/5/1/34/xml |
| article xml file uploaded | 17 January 2019 13:29 CET | Original file | - |
