| article html file updated | 8 February 2020 15:24 CET | Update | https://www.mdpi.com/2079-9292/6/3/66 |
| article html file updated | 3 May 2019 03:25 CEST | Update | - |
| article html file updated | 30 September 2017 07:51 CEST | Update | - |
| article html file updated | 7 September 2017 11:03 CEST | Original file | - |
| article xml uploaded. | 7 September 2017 11:02 CEST | Update | https://www.mdpi.com/2079-9292/6/3/66/xml |
| article xml uploaded. | 7 September 2017 11:02 CEST | Original file | - |
| article pdf uploaded. | 7 September 2017 11:02 CEST | Updated version of record | https://www.mdpi.com/2079-9292/6/3/66/pdf |
| article pdf uploaded. | 5 September 2017 16:06 CEST | Version of Record | https://www.mdpi.com/2079-9292/6/3/66/pdf-vor |
