| article html file updated | 9 February 2020 10:24 CET | Update | https://www.mdpi.com/1996-1944/11/3/450 |
| article html file updated | 1 October 2019 18:28 CEST | Update | - |
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| article xml uploaded. | 20 March 2018 09:22 CET | Update | https://www.mdpi.com/1996-1944/11/3/450/xml |
| article html file updated | 19 March 2018 15:24 CET | Original file | - |
| article pdf uploaded. | 19 March 2018 15:22 CET | Version of Record | https://www.mdpi.com/1996-1944/11/3/450/pdf |
