| article html file updated | 15 August 2026 19:08 CEST | Update | https://www.mdpi.com/1996-1073/12/6/975 |
| article html file updated | 11 February 2020 21:57 CET | Update | N/A |
| article html file updated | 16 October 2019 13:02 CEST | Update | N/A |
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| article html file updated | 13 March 2019 11:10 CET | Original file | N/A |
| article pdf uploaded. | 13 March 2019 11:09 CET | Version of Record | https://www.mdpi.com/1996-1073/12/6/975/pdf |
| article xml uploaded. | 13 March 2019 11:08 CET | Update | https://www.mdpi.com/1996-1073/12/6/975/xml |
| article xml file uploaded | 13 March 2019 11:08 CET | Original file | N/A |
