| article html file updated | 6 February 2020 05:08 CET | Update | https://www.mdpi.com/2076-3921/2/4/265 |
| article html file updated | 7 May 2019 22:52 CEST | Update | - |
| article html file updated | 21 March 2019 06:35 CET | Update | - |
| article html file updated | 17 June 2015 14:14 CEST | Update | - |
| article html file updated | 14 August 2014 11:40 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:40 CEST | Update | https://www.mdpi.com/2076-3921/2/4/265/xml |
| article html file updated | 14 August 2014 11:20 CEST | Original file | - |
| article xml file uploaded | 14 August 2014 11:20 CEST | Original file | - |
| article pdf uploaded. | 24 October 2013 15:36 CEST | Version of Record | https://www.mdpi.com/2076-3921/2/4/265/pdf |
