| article html file updated | 9 February 2020 04:45 CET | Update | https://www.mdpi.com/1996-1944/11/2/206 |
| article html file updated | 30 September 2019 07:53 CEST | Update | - |
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| article html file updated | 14 March 2018 15:25 CET | Update | - |
| article html file updated | 29 January 2018 14:23 CET | Original file | - |
| article xml uploaded. | 29 January 2018 14:21 CET | Update | https://www.mdpi.com/1996-1944/11/2/206/xml |
| article xml uploaded. | 29 January 2018 14:21 CET | Original file | - |
| article pdf uploaded. | 29 January 2018 14:21 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/206/pdf |
