| article html file updated | 9 February 2020 20:41 CET | Update | https://www.mdpi.com/1996-1073/11/6/1494 |
| article html file updated | 4 October 2019 09:27 CEST | Update | - |
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| article html file updated | 7 June 2018 16:32 CEST | Original file | - |
| article xml uploaded. | 7 June 2018 16:31 CEST | Original file | https://www.mdpi.com/1996-1073/11/6/1494/xml |
| article pdf uploaded. | 7 June 2018 16:31 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/6/1494/pdf |
