| article html file updated | 9 February 2020 10:21 CET | Update | https://www.mdpi.com/2071-1050/10/3/868 |
| article html file updated | 1 October 2019 18:17 CEST | Update | - |
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| article xml uploaded. | 19 March 2018 10:24 CET | Update | https://www.mdpi.com/2071-1050/10/3/868/xml |
| article pdf uploaded. | 19 March 2018 10:24 CET | Version of Record | https://www.mdpi.com/2071-1050/10/3/868/pdf |
