| article html file updated | 9 February 2020 08:15 CET | Update | https://www.mdpi.com/1996-1073/11/3/534 |
| article html file updated | 1 October 2019 04:38 CEST | Update | - |
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| article xml uploaded. | 1 March 2018 10:53 CET | Update | https://www.mdpi.com/1996-1073/11/3/534/xml |
| article pdf uploaded. | 1 March 2018 10:53 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/534/pdf |
