| article html file updated | 9 February 2020 09:16 CET | Update | https://www.mdpi.com/1996-1073/11/3/613 |
| article html file updated | 1 October 2019 10:35 CEST | Update | - |
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| article html file updated | 9 March 2018 14:08 CET | Original file | - |
| article xml uploaded. | 9 March 2018 14:06 CET | Update | https://www.mdpi.com/1996-1073/11/3/613/xml |
| article pdf uploaded. | 9 March 2018 14:06 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/613/pdf |
