| article html file updated | 7 February 2020 06:57 CET | Update | https://www.mdpi.com/2218-6581/5/2/10 |
| article html file updated | 5 May 2019 19:21 CEST | Update | - |
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| article html file updated | 4 July 2016 10:38 CEST | Update | - |
| article html file updated | 7 April 2016 11:10 CEST | Original file | - |
| article xml uploaded. | 7 April 2016 11:09 CEST | Update | https://www.mdpi.com/2218-6581/5/2/10/xml |
| article pdf uploaded. | 7 April 2016 11:09 CEST | Version of Record | https://www.mdpi.com/2218-6581/5/2/10/pdf |
