| article html file updated | 8 February 2020 10:16 CET | Update | https://www.mdpi.com/1424-8247/10/3/61 |
| article html file updated | 3 May 2019 13:44 CEST | Update | - |
| article html file updated | 27 October 2017 10:38 CEST | Update | - |
| article html file updated | 30 September 2017 14:22 CEST | Update | - |
| article html file updated | 6 July 2017 12:12 CEST | Original file | - |
| article xml uploaded. | 6 July 2017 12:11 CEST | Original file | https://www.mdpi.com/1424-8247/10/3/61/xml |
| article pdf uploaded. | 6 July 2017 12:11 CEST | Version of Record | https://www.mdpi.com/1424-8247/10/3/61/pdf |
