| article html file updated | 6 February 2020 00:33 CET | Update | https://www.mdpi.com/2071-1050/5/2/695 |
| article html file updated | 8 May 2019 08:27 CEST | Update | - |
| article html file updated | 20 March 2019 18:38 CET | Update | - |
| article html file updated | 17 June 2015 06:35 CEST | Update | - |
| article html file updated | 14 November 2014 11:02 CET | Original file | - |
| article xml file uploaded | 14 November 2014 11:02 CET | Original file | https://www.mdpi.com/2071-1050/5/2/695/xml |
| article pdf uploaded. | 13 February 2013 10:53 CET | Version of Record | https://www.mdpi.com/2071-1050/5/2/695/pdf |
