| article html file updated | 7 February 2020 15:39 CET | Update | https://www.mdpi.com/2079-9292/5/4/64 |
| article html file updated | 22 September 2019 01:48 CEST | Update | - |
| article html file updated | 5 May 2019 02:54 CEST | Update | - |
| article html file updated | 29 December 2016 11:00 CET | Update | - |
| article html file updated | 27 September 2016 14:37 CEST | Original file | - |
| article xml uploaded. | 27 September 2016 14:35 CEST | Update | https://www.mdpi.com/2079-9292/5/4/64/xml |
| article xml uploaded. | 27 September 2016 14:35 CEST | Update | - |
| article xml uploaded. | 27 September 2016 14:35 CEST | Original file | - |
| article pdf uploaded. | 27 September 2016 14:35 CEST | Version of Record | https://www.mdpi.com/2079-9292/5/4/64/pdf |
