| article html file updated | 7 February 2020 20:14 CET | Update | https://www.mdpi.com/1420-3049/22/1/12 |
| article html file updated | 22 September 2019 14:45 CEST | Update | - |
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| article pdf uploaded. | 23 December 2016 12:27 CET | Version of Record | https://www.mdpi.com/1420-3049/22/1/12/pdf |
