| article html file updated | 6 February 2020 08:43 CET | Update | https://www.mdpi.com/1424-8247/7/4/482 |
| article html file updated | 7 May 2019 15:39 CEST | Update | N/A |
| article html file updated | 21 March 2019 15:48 CET | Update | N/A |
| article html file updated | 20 August 2015 03:54 CEST | Update | N/A |
| article html file updated | 12 May 2014 15:32 CEST | Original file | N/A |
| article xml file uploaded | 12 May 2014 15:32 CEST | Original file | https://www.mdpi.com/1424-8247/7/4/482/xml |
| article pdf uploaded. | 21 April 2014 11:37 CEST | Version of Record | https://www.mdpi.com/1424-8247/7/4/482/pdf |
