| article html file updated | 8 February 2020 00:11 CET | Update | https://www.mdpi.com/2071-1050/9/3/340 |
| article html file updated | 23 September 2019 12:27 CEST | Update | - |
| article html file updated | 4 May 2019 09:35 CEST | Update | - |
| article html file updated | 28 March 2017 06:01 CEST | Update | - |
| article html file updated | 24 February 2017 11:30 CET | Original file | - |
| article xml uploaded. | 24 February 2017 11:28 CET | Original file | https://www.mdpi.com/2071-1050/9/3/340/xml |
| article pdf uploaded. | 24 February 2017 11:28 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/340/pdf |
