| article html file updated | 8 February 2020 05:49 CET | Update | https://www.mdpi.com/2073-4360/9/5/173 |
| article html file updated | 24 September 2019 19:43 CEST | Update | - |
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| article html file updated | 31 May 2017 10:20 CEST | Update | - |
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| article xml uploaded. | 17 May 2017 03:41 CEST | Update | https://www.mdpi.com/2073-4360/9/5/173/xml |
| article pdf uploaded. | 17 May 2017 03:41 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/5/173/pdf |
| article html file updated | 13 May 2017 12:11 CEST | Original file | - |
| article pdf uploaded. | 13 May 2017 12:10 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/5/173/pdf-vor |
