| article html file updated | 8 February 2020 05:35 CET | Update | https://www.mdpi.com/1996-1073/10/5/670 |
| article html file updated | 24 September 2019 18:31 CEST | Update | - |
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| article html file updated | 11 May 2017 15:44 CEST | Original file | - |
| article xml uploaded. | 11 May 2017 15:42 CEST | Original file | https://www.mdpi.com/1996-1073/10/5/670/xml |
| article pdf uploaded. | 11 May 2017 15:42 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/670/pdf |
