| article html file updated | 9 February 2020 18:30 CET | Update | https://www.mdpi.com/2071-1050/10/5/1670 |
| article html file updated | 3 October 2019 19:55 CEST | Update | - |
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| article html file updated | 21 May 2018 16:38 CEST | Original file | - |
| article xml uploaded. | 21 May 2018 16:36 CEST | Update | https://www.mdpi.com/2071-1050/10/5/1670/xml |
| article pdf uploaded. | 21 May 2018 16:36 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/5/1670/pdf |
