| article html file updated | 7 February 2020 07:49 CET | Update | https://www.mdpi.com/2073-4360/8/5/171 |
| article html file updated | 5 May 2019 17:31 CEST | Update | - |
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| article html file updated | 30 May 2016 09:28 CEST | Update | - |
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| article html file updated | 27 May 2016 12:40 CEST | Original file | - |
| article xml uploaded. | 26 April 2016 11:43 CEST | Original file | https://www.mdpi.com/2073-4360/8/5/171/xml |
| article pdf uploaded. | 26 April 2016 11:43 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/5/171/pdf |
