| article html file updated | 6 February 2020 11:06 CET | Update | https://www.mdpi.com/2079-6374/4/3/243 |
| article html file updated | 21 March 2019 22:01 CET | Update | - |
| article html file updated | 20 August 2015 14:08 CEST | Update | - |
| article html file updated | 10 November 2014 07:31 CET | Original file | - |
| article xml file uploaded | 10 November 2014 07:31 CET | Original file | https://www.mdpi.com/2079-6374/4/3/243/xml |
| article pdf uploaded. | 30 July 2014 14:33 CEST | Version of Record | https://www.mdpi.com/2079-6374/4/3/243/pdf |
