| article html file updated | 19 August 2015 18:48 CEST | Update | https://www.mdpi.com/1996-1944/7/2/662 |
| article html file updated | 3 June 2014 13:44 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 13:44 CEST | Original file | https://www.mdpi.com/1996-1944/7/2/662/xml |
| article pdf uploaded. | 10 February 2014 15:48 CET | Updated version of record | https://www.mdpi.com/1996-1944/7/2/662/pdf |
| article pdf uploaded. | 29 January 2014 11:11 CET | Updated version of record | https://www.mdpi.com/1996-1944/7/2/662/pdf-vor |
| article pdf uploaded. | 27 January 2014 13:35 CET | Version of Record | https://www.mdpi.com/1996-1944/7/2/662/pdf-vor |
