| article html file updated | 6 February 2020 14:51 CET | Update | https://www.mdpi.com/2072-666X/6/1/121 |
| article html file updated | 7 May 2019 03:09 CEST | Update | - |
| article html file updated | 25 March 2019 19:56 CET | Update | - |
| article html file updated | 21 August 2015 05:05 CEST | Update | - |
| article html file updated | 22 January 2015 10:33 CET | Update | - |
| article xml file uploaded | 22 January 2015 10:33 CET | Update | https://www.mdpi.com/2072-666X/6/1/121/xml |
| article html file updated | 4 January 2015 10:34 CET | Original file | - |
| article xml file uploaded | 4 January 2015 10:34 CET | Original file | - |
| article pdf uploaded. | 30 December 2014 11:34 CET | Version of Record | https://www.mdpi.com/2072-666X/6/1/121/pdf |
