| article html file updated | 7 February 2020 22:52 CET | Update | https://www.mdpi.com/1996-1944/10/2/139 |
| article html file updated | 23 September 2019 05:01 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:18 CEST | Update | N/A |
| article html file updated | 2 March 2017 09:08 CET | Update | N/A |
| article html file updated | 8 February 2017 14:40 CET | Original file | N/A |
| article xml uploaded. | 8 February 2017 14:39 CET | Update | https://www.mdpi.com/1996-1944/10/2/139/xml |
| article xml uploaded. | 8 February 2017 14:39 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2017 14:39 CET | Version of Record | https://www.mdpi.com/1996-1944/10/2/139/pdf |
