| article html file updated | 6 February 2020 20:30 CET | Update | https://www.mdpi.com/2076-0817/4/3/513 |
| article html file updated | 6 May 2019 16:06 CEST | Update | - |
| article html file updated | 26 March 2019 06:16 CET | Update | - |
| article html file updated | 28 September 2015 11:54 CEST | Update | - |
| article xml file uploaded | 28 September 2015 11:54 CEST | Update | https://www.mdpi.com/2076-0817/4/3/513/xml |
| article html file updated | 25 September 2015 11:33 CEST | Update | - |
| article xml file uploaded | 25 September 2015 11:33 CEST | Original file | - |
| article html file updated | 21 August 2015 14:39 CEST | Original file | - |
| article pdf uploaded. | 13 July 2015 09:05 CEST | Updated version of record | https://www.mdpi.com/2076-0817/4/3/513/pdf |
| article pdf uploaded. | 9 July 2015 15:17 CEST | Version of Record | https://www.mdpi.com/2076-0817/4/3/513/pdf-vor |
