| article html file updated | 19 August 2015 22:17 CEST | Update | https://www.mdpi.com/1996-1073/7/3/1251 |
| article html file updated | 3 June 2014 12:07 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 12:07 CEST | Original file | https://www.mdpi.com/1996-1073/7/3/1251/xml |
| article pdf uploaded. | 3 March 2014 13:25 CET | Version of Record | https://www.mdpi.com/1996-1073/7/3/1251/pdf |
