| article html file updated | 9 February 2020 09:50 CET | Update | https://www.mdpi.com/1996-1073/11/3/652 |
| article html file updated | 1 October 2019 15:03 CEST | Update | - |
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| article html file updated | 14 March 2018 20:17 CET | Original file | - |
| article xml uploaded. | 14 March 2018 14:52 CET | Original file | https://www.mdpi.com/1996-1073/11/3/652/xml |
| article pdf uploaded. | 14 March 2018 14:52 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/652/pdf |
