| article html file updated | 7 February 2020 23:23 CET | Update | https://www.mdpi.com/1996-1073/10/2/225 |
| article html file updated | 23 September 2019 07:55 CEST | Update | - |
| article html file updated | 4 May 2019 11:16 CEST | Update | - |
| article html file updated | 28 February 2017 10:39 CET | Update | - |
| article html file updated | 17 February 2017 04:13 CET | Original file | - |
| article xml uploaded. | 17 February 2017 04:11 CET | Update | https://www.mdpi.com/1996-1073/10/2/225/xml |
| article xml uploaded. | 17 February 2017 04:11 CET | Update | - |
| article xml uploaded. | 17 February 2017 04:11 CET | Original file | - |
| article pdf uploaded. | 17 February 2017 04:06 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/2/225/pdf |
| article pdf uploaded. | 14 February 2017 12:49 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/225/pdf-vor |
