| article html file updated | 7 February 2020 08:11 CET | Update | https://www.mdpi.com/2072-6651/8/5/139 |
| article html file updated | 5 May 2019 16:48 CEST | Update | - |
| article html file updated | 27 March 2019 03:43 CET | Update | - |
| article html file updated | 30 May 2016 08:46 CEST | Update | - |
| article html file updated | 4 May 2016 14:25 CEST | Original file | - |
| article xml uploaded. | 4 May 2016 14:24 CEST | Original file | https://www.mdpi.com/2072-6651/8/5/139/xml |
| article pdf uploaded. | 4 May 2016 14:24 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/5/139/pdf |
