| article html file updated | 6 February 2020 11:00 CET | Update | https://www.mdpi.com/2076-328X/4/3/213 |
| article html file updated | 21 March 2019 21:44 CET | Update | - |
| article html file updated | 20 August 2015 13:42 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/2076-328X/4/3/213/xml |
| article pdf uploaded. | 25 July 2014 10:00 CEST | Version of Record | https://www.mdpi.com/2076-328X/4/3/213/pdf |
