| article html file updated | 6 February 2020 10:28 CET | Update | https://www.mdpi.com/2076-328X/4/3/154 |
| article html file updated | 21 March 2019 20:13 CET | Update | - |
| article html file updated | 20 August 2015 11:51 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/4/3/154/xml |
| article pdf uploaded. | 7 July 2014 09:48 CEST | Updated version of record | https://www.mdpi.com/2076-328X/4/3/154/pdf |
| article pdf uploaded. | 4 July 2014 11:27 CEST | Version of Record | https://www.mdpi.com/2076-328X/4/3/154/pdf-vor |
