| article html file updated | 8 February 2020 04:49 CET | Update | https://www.mdpi.com/1996-1073/10/5/606 |
| article html file updated | 24 September 2019 14:35 CEST | Update | - |
| article html file updated | 3 May 2019 23:56 CEST | Update | - |
| article html file updated | 27 May 2017 03:03 CEST | Update | - |
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| article html file updated | 1 May 2017 06:22 CEST | Original file | - |
| article xml uploaded. | 1 May 2017 06:21 CEST | Original file | https://www.mdpi.com/1996-1073/10/5/606/xml |
| article pdf uploaded. | 1 May 2017 06:21 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/606/pdf |
