| article html file updated | 6 February 2020 18:48 CET | Update | https://www.mdpi.com/2227-9091/3/2/112 |
| article html file updated | 20 September 2019 21:37 CEST | Update | - |
| article html file updated | 6 May 2019 19:40 CEST | Update | - |
| article html file updated | 26 March 2019 03:01 CET | Update | - |
| article html file updated | 22 October 2015 10:24 CEST | Original file | - |
| article xml file uploaded | 22 October 2015 10:24 CEST | Original file | https://www.mdpi.com/2227-9091/3/2/112/xml |
| article pdf uploaded. | 28 May 2015 10:58 CEST | Updated version of record | https://www.mdpi.com/2227-9091/3/2/112/pdf |
| article pdf uploaded. | 22 May 2015 10:01 CEST | Updated version of record | https://www.mdpi.com/2227-9091/3/2/112/pdf-vor |
| article pdf uploaded. | 21 May 2015 09:46 CEST | Updated version of record | https://www.mdpi.com/2227-9091/3/2/112/pdf-vor |
| article pdf uploaded. | 20 May 2015 13:32 CEST | Version of Record | https://www.mdpi.com/2227-9091/3/2/112/pdf-vor |
