| article html file updated | 8 February 2020 00:16 CET | Update | https://www.mdpi.com/1996-1073/10/3/274 |
| article html file updated | 23 September 2019 12:52 CEST | Update | - |
| article html file updated | 4 May 2019 09:26 CEST | Update | - |
| article html file updated | 28 March 2017 11:20 CEST | Update | - |
| article html file updated | 25 February 2017 09:17 CET | Original file | - |
| article xml uploaded. | 25 February 2017 09:16 CET | Original file | https://www.mdpi.com/1996-1073/10/3/274/xml |
| article pdf uploaded. | 25 February 2017 09:16 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/274/pdf |
