| article html file updated | 8 February 2020 06:00 CET | Update | https://www.mdpi.com/2073-8994/9/5/73 |
| article html file updated | 24 September 2019 20:40 CEST | Update | - |
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| article html file updated | 31 May 2017 07:57 CEST | Update | - |
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| article html file updated | 18 May 2017 14:42 CEST | Update | - |
| article xml uploaded. | 18 May 2017 14:41 CEST | Update | https://www.mdpi.com/2073-8994/9/5/73/xml |
| article pdf uploaded. | 18 May 2017 14:41 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/5/73/pdf |
| article html file updated | 16 May 2017 15:21 CEST | Original file | - |
| article pdf uploaded. | 16 May 2017 15:19 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/5/73/pdf-vor |
