| article html file updated | 9 February 2020 09:23 CET | Update | https://www.mdpi.com/1996-1073/11/3/619 |
| article html file updated | 1 October 2019 11:13 CEST | Update | - |
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| article html file updated | 27 March 2018 06:09 CEST | Update | - |
| article html file updated | 10 March 2018 10:55 CET | Original file | - |
| article xml uploaded. | 10 March 2018 10:54 CET | Original file | https://www.mdpi.com/1996-1073/11/3/619/xml |
| article pdf uploaded. | 10 March 2018 10:54 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/619/pdf |
