| article html file updated | 9 February 2020 14:47 CET | Update | https://www.mdpi.com/2071-1050/10/4/1281 |
| article html file updated | 2 October 2019 20:31 CEST | Update | - |
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| article html file updated | 2 May 2018 13:30 CEST | Update | - |
| article html file updated | 21 April 2018 12:18 CEST | Original file | - |
| article xml uploaded. | 21 April 2018 12:17 CEST | Original file | https://www.mdpi.com/2071-1050/10/4/1281/xml |
| article pdf uploaded. | 21 April 2018 12:17 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/4/1281/pdf |
