| article html file updated | 8 February 2020 16:43 CET | Update | https://www.mdpi.com/2227-7102/7/3/74 |
| article html file updated | 27 September 2019 06:28 CEST | Update | - |
| article html file updated | 3 May 2019 00:58 CEST | Update | - |
| article html file updated | 27 October 2017 09:59 CEST | Update | - |
| article html file updated | 20 September 2017 16:12 CEST | Original file | - |
| article xml uploaded. | 20 September 2017 16:11 CEST | Update | https://www.mdpi.com/2227-7102/7/3/74/xml |
| article xml uploaded. | 20 September 2017 16:11 CEST | Original file | - |
| article pdf uploaded. | 20 September 2017 16:11 CEST | Version of Record | https://www.mdpi.com/2227-7102/7/3/74/pdf |
