| article html file updated | 6 February 2020 20:55 CET | Update | https://www.mdpi.com/2079-4991/5/3/1250 |
| article html file updated | 6 May 2019 15:14 CEST | Update | - |
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| article html file updated | 21 August 2015 15:08 CEST | Original file | - |
| article pdf uploaded. | 22 July 2015 11:30 CEST | Version of Record | https://www.mdpi.com/2079-4991/5/3/1250/pdf |
