| article html file updated | 7 February 2020 05:34 CET | Update | https://www.mdpi.com/2071-1050/8/3/249 |
| article html file updated | 5 May 2019 22:09 CEST | Update | - |
| article html file updated | 26 March 2019 22:50 CET | Update | - |
| article html file updated | 31 March 2016 08:41 CEST | Original file | - |
| article pdf uploaded. | 10 March 2016 07:26 CET | Updated version of record | https://www.mdpi.com/2071-1050/8/3/249/pdf |
| article xml uploaded. | 10 March 2016 07:26 CET | Update | https://www.mdpi.com/2071-1050/8/3/249/xml |
| article pdf uploaded. | 8 March 2016 09:26 CET | Version of Record | https://www.mdpi.com/2071-1050/8/3/249/pdf-vor |
