| article html file updated | 6 February 2020 22:09 CET | Update | https://www.mdpi.com/2072-666X/6/9/1213 |
| article html file updated | 6 May 2019 12:41 CEST | Update | - |
| article html file updated | 26 March 2019 09:30 CET | Update | - |
| article html file updated | 10 October 2015 11:09 CEST | Original file | - |
| article xml file uploaded | 10 October 2015 11:09 CEST | Original file | https://www.mdpi.com/2072-666X/6/9/1213/xml |
| article pdf uploaded. | 26 August 2015 13:45 CEST | Version of Record | https://www.mdpi.com/2072-666X/6/9/1213/pdf |
