| article html file updated | 6 February 2020 12:08 CET | Update | https://www.mdpi.com/2079-6374/4/3/318 |
| article html file updated | 22 March 2019 00:38 CET | Update | - |
| article html file updated | 20 August 2015 18:22 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/2079-6374/4/3/318/xml |
| article pdf uploaded. | 11 September 2014 10:41 CEST | Version of Record | https://www.mdpi.com/2079-6374/4/3/318/pdf |
