| article html file updated | 5 December 2020 11:07 CET | Update | https://www.mdpi.com/2079-9268/6/2/5 |
| article html file updated | 5 December 2020 10:05 CET | Update | - |
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| article html file updated | 8 October 2020 16:44 CEST | Update | - |
| article html file updated | 20 May 2020 12:40 CEST | Original file | - |
| article xml uploaded. | 20 May 2020 12:39 CEST | Original file | https://www.mdpi.com/2079-9268/6/2/5/xml |
| article pdf uploaded. | 28 April 2016 12:29 CEST | Version of Record | https://www.mdpi.com/2079-9268/6/2/5/pdf |
