| article html file updated | 7 February 2020 14:42 CET | Update | https://www.mdpi.com/2079-9268/6/3/18 |
| article html file updated | 5 May 2019 04:37 CEST | Update | - |
| article html file updated | 9 September 2016 08:48 CEST | Update | - |
| article html file updated | 9 September 2016 08:47 CEST | Original file | - |
| article xml uploaded. | 9 September 2016 08:46 CEST | Update | https://www.mdpi.com/2079-9268/6/3/18/xml |
| article xml uploaded. | 9 September 2016 08:46 CEST | Update | - |
| article xml uploaded. | 9 September 2016 08:46 CEST | Update | - |
| article xml uploaded. | 9 September 2016 08:45 CEST | Original file | - |
| article pdf uploaded. | 9 September 2016 08:45 CEST | Version of Record | https://www.mdpi.com/2079-9268/6/3/18/pdf |
