| article html file updated | 8 February 2020 21:21 CET | Update | https://www.mdpi.com/2072-6643/9/11/1252 |
| article html file updated | 28 September 2019 12:34 CEST | Update | - |
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| article html file updated | 30 November 2017 12:13 CET | Update | - |
| article html file updated | 16 November 2017 12:39 CET | Original file | - |
| article xml uploaded. | 16 November 2017 12:38 CET | Original file | https://www.mdpi.com/2072-6643/9/11/1252/xml |
| article pdf uploaded. | 16 November 2017 12:38 CET | Version of Record | https://www.mdpi.com/2072-6643/9/11/1252/pdf |
