| article html file updated | 6 February 2020 08:55 CET | Update | https://www.mdpi.com/1424-8247/7/5/517 |
| article html file updated | 7 May 2019 15:13 CEST | Update | - |
| article html file updated | 21 March 2019 16:17 CET | Update | - |
| article html file updated | 20 August 2015 05:02 CEST | Update | - |
| article html file updated | 5 June 2014 09:43 CEST | Update | - |
| article xml file uploaded | 5 June 2014 09:43 CEST | Update | https://www.mdpi.com/1424-8247/7/5/517/xml |
| article html file updated | 5 June 2014 09:43 CEST | Update | - |
| article xml file uploaded | 5 June 2014 09:43 CEST | Update | - |
| article html file updated | 5 June 2014 08:48 CEST | Original file | - |
| article xml file uploaded | 5 June 2014 08:48 CEST | Original file | - |
| article pdf uploaded. | 5 May 2014 15:30 CEST | Updated version of record | https://www.mdpi.com/1424-8247/7/5/517/pdf |
| article pdf uploaded. | 29 April 2014 13:58 CEST | Version of Record | https://www.mdpi.com/1424-8247/7/5/517/pdf-vor |
