| article html file updated | 11 February 2020 05:52 CET | Update | https://www.mdpi.com/1996-1073/12/1/107 |
| article html file updated | 12 October 2019 15:58 CEST | Update | - |
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| article html file updated | 30 December 2018 02:17 CET | Original file | - |
| article pdf uploaded. | 29 December 2018 11:26 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/107/pdf |
| article xml uploaded. | 29 December 2018 11:26 CET | Update | https://www.mdpi.com/1996-1073/12/1/107/xml |
| article xml file uploaded | 29 December 2018 11:26 CET | Original file | - |