| article html file updated | 6 February 2020 21:48 CET | Update | https://www.mdpi.com/2218-273X/5/3/1870 |
| article html file updated | 6 May 2019 13:26 CEST | Update | - |
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| article html file updated | 9 October 2015 09:02 CEST | Update | - |
| article xml file uploaded | 9 October 2015 09:02 CEST | Original file | https://www.mdpi.com/2218-273X/5/3/1870/xml |
| article html file updated | 21 August 2015 15:38 CEST | Original file | - |
| article pdf uploaded. | 17 August 2015 16:36 CEST | Version of Record | https://www.mdpi.com/2218-273X/5/3/1870/pdf |
