| article html file updated | 10 February 2020 00:55 CET | Update | https://www.mdpi.com/2071-1050/10/7/2421 |
| article html file updated | 5 October 2019 12:00 CEST | Update | - |
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| article html file updated | 11 July 2018 15:22 CEST | Update | - |
| article pdf uploaded. | 11 July 2018 15:21 CEST | Updated version of record | https://www.mdpi.com/2071-1050/10/7/2421/pdf |
| article xml uploaded. | 11 July 2018 15:21 CEST | Update | https://www.mdpi.com/2071-1050/10/7/2421/xml |
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