| article html file updated | 8 February 2020 21:03 CET | Update | https://www.mdpi.com/1996-1073/10/11/1854 |
| article html file updated | 28 September 2019 10:39 CEST | Update | - |
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| article html file updated | 30 November 2017 11:20 CET | Update | - |
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| article xml uploaded. | 13 November 2017 12:01 CET | Original file | https://www.mdpi.com/1996-1073/10/11/1854/xml |
| article pdf uploaded. | 13 November 2017 12:01 CET | Version of Record | https://www.mdpi.com/1996-1073/10/11/1854/pdf |
