| article html file updated | 8 February 2020 19:32 CET | Update | https://www.mdpi.com/2306-5710/3/4/51 |
| article html file updated | 28 September 2019 00:48 CEST | Update | - |
| article html file updated | 2 May 2019 18:48 CEST | Update | - |
| article html file updated | 26 October 2017 22:53 CEST | Original file | - |
| article xml uploaded. | 26 October 2017 12:10 CEST | Original file | https://www.mdpi.com/2306-5710/3/4/51/xml |
| article pdf uploaded. | 26 October 2017 12:10 CEST | Version of Record | https://www.mdpi.com/2306-5710/3/4/51/pdf |
