| article html file updated | 7 February 2020 15:42 CET | Update | https://www.mdpi.com/2071-1050/8/10/977 |
| article html file updated | 5 May 2019 02:50 CEST | Update | N/A |
| article html file updated | 28 October 2016 09:50 CEST | Update | N/A |
| article html file updated | 28 September 2016 11:41 CEST | Original file | N/A |
| article xml uploaded. | 28 September 2016 11:33 CEST | Update | https://www.mdpi.com/2071-1050/8/10/977/xml |
| article xml uploaded. | 28 September 2016 11:33 CEST | Original file | N/A |
| article pdf uploaded. | 28 September 2016 11:33 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/10/977/pdf |
