| article html file updated | 11 February 2020 05:59 CET | Update | https://www.mdpi.com/2073-4344/9/1/25 |
| article html file updated | 12 October 2019 16:54 CEST | Update | - |
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| article html file updated | 30 December 2018 12:34 CET | Original file | - |
| article pdf uploaded. | 30 December 2018 12:32 CET | Version of Record | https://www.mdpi.com/2073-4344/9/1/25/pdf |
| article xml uploaded. | 30 December 2018 12:32 CET | Update | https://www.mdpi.com/2073-4344/9/1/25/xml |
| article xml file uploaded | 30 December 2018 12:32 CET | Original file | - |
