| article html file updated | 6 February 2020 09:06 CET | Update | https://www.mdpi.com/1424-8247/7/5/530 |
| article html file updated | 20 September 2019 08:07 CEST | Update | - |
| article html file updated | 7 May 2019 14:51 CEST | Update | - |
| article html file updated | 21 March 2019 16:42 CET | Update | - |
| article html file updated | 20 August 2015 06:06 CEST | Update | - |
| article html file updated | 5 June 2014 09:44 CEST | Update | - |
| article xml file uploaded | 5 June 2014 09:43 CEST | Update | https://www.mdpi.com/1424-8247/7/5/530/xml |
| article html file updated | 5 June 2014 09:43 CEST | Original file | - |
| article xml file uploaded | 5 June 2014 09:43 CEST | Original file | - |
| article pdf uploaded. | 7 May 2014 14:15 CEST | Version of Record | https://www.mdpi.com/1424-8247/7/5/530/pdf |
