| article html file updated | 8 February 2020 05:54 CET | Update | https://www.mdpi.com/2071-1050/9/5/824 |
| article html file updated | 24 September 2019 20:10 CEST | Update | - |
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| article html file updated | 15 May 2017 17:06 CEST | Original file | - |
| article xml uploaded. | 15 May 2017 17:05 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/824/xml |
| article pdf uploaded. | 15 May 2017 17:05 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/824/pdf |
