| article html file updated | 8 February 2020 23:30 CET | Update | https://www.mdpi.com/1996-1073/10/12/2084 |
| article html file updated | 29 September 2019 01:53 CEST | Update | - |
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| article html file updated | 8 December 2017 10:19 CET | Original file | - |
| article xml uploaded. | 8 December 2017 10:18 CET | Original file | https://www.mdpi.com/1996-1073/10/12/2084/xml |
| article pdf uploaded. | 8 December 2017 10:18 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2084/pdf |
