| article html file updated | 7 February 2020 05:42 CET | Update | https://www.mdpi.com/2071-1050/8/3/258 |
| article html file updated | 5 May 2019 21:53 CEST | Update | - |
| article html file updated | 26 March 2019 23:05 CET | Update | - |
| article html file updated | 31 March 2016 08:43 CEST | Original file | - |
| article pdf uploaded. | 10 March 2016 08:40 CET | Version of Record | https://www.mdpi.com/2071-1050/8/3/258/pdf |
| article xml uploaded. | 10 March 2016 08:40 CET | Original file | https://www.mdpi.com/2071-1050/8/3/258/xml |
