| article html file updated | 8 February 2020 06:01 CET | Update | https://www.mdpi.com/2071-1050/9/5/836 |
| article html file updated | 24 September 2019 20:43 CEST | Update | - |
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| article xml uploaded. | 16 May 2017 16:09 CEST | Update | https://www.mdpi.com/2071-1050/9/5/836/xml |
| article pdf uploaded. | 16 May 2017 16:09 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/836/pdf |
