| article html file updated | 9 February 2020 10:35 CET | Update | https://www.mdpi.com/1996-1944/11/4/459 |
| article html file updated | 1 October 2019 19:36 CEST | Update | - |
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| article xml uploaded. | 21 March 2018 07:02 CET | Update | https://www.mdpi.com/1996-1944/11/4/459/xml |
| article pdf uploaded. | 21 March 2018 07:02 CET | Updated version of record | https://www.mdpi.com/1996-1944/11/4/459/pdf |
| article html file updated | 21 March 2018 06:54 CET | Original file | - |
