| article html file updated | 9 February 2020 04:40 CET | Update | https://www.mdpi.com/2072-666X/9/2/49 |
| article html file updated | 30 September 2019 07:30 CEST | Update | N/A |
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| article xml uploaded. | 29 January 2018 07:51 CET | Original file | https://www.mdpi.com/2072-666X/9/2/49/xml |
| article pdf uploaded. | 29 January 2018 07:51 CET | Version of Record | https://www.mdpi.com/2072-666X/9/2/49/pdf |