| article html file updated | 11 February 2020 17:32 CET | Update | https://www.mdpi.com/1996-1073/12/4/689 |
| article html file updated | 15 October 2019 08:53 CEST | Update | - |
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| article html file updated | 25 February 2019 02:27 CET | Original file | - |
| article pdf uploaded. | 25 February 2019 02:25 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/4/689/pdf |
| article xml uploaded. | 25 February 2019 02:25 CET | Update | https://www.mdpi.com/1996-1073/12/4/689/xml |
| article xml file uploaded | 25 February 2019 02:25 CET | Update | - |
| article pdf uploaded. | 20 February 2019 16:45 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/689/pdf-vor |
| article xml file uploaded | 20 February 2019 16:45 CET | Original file | - |