| article html file updated | 7 February 2020 18:18 CET | Update | https://www.mdpi.com/1420-3049/21/11/1581 |
| article html file updated | 22 September 2019 06:10 CEST | Update | - |
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| article xml uploaded. | 19 November 2016 10:47 CET | Original file | https://www.mdpi.com/1420-3049/21/11/1581/xml |
| article pdf uploaded. | 19 November 2016 10:47 CET | Version of Record | https://www.mdpi.com/1420-3049/21/11/1581/pdf |
