| article html file updated | 9 February 2020 04:34 CET | Update | https://www.mdpi.com/2072-666X/9/2/45 |
| article html file updated | 30 September 2019 06:51 CEST | Update | - |
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| article html file updated | 27 January 2018 11:28 CET | Original file | - |
| article xml uploaded. | 27 January 2018 11:27 CET | Update | https://www.mdpi.com/2072-666X/9/2/45/xml |
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| article pdf uploaded. | 27 January 2018 11:27 CET | Version of Record | https://www.mdpi.com/2072-666X/9/2/45/pdf |