| article html file updated | 8 February 2020 00:23 CET | Update | https://www.mdpi.com/2073-8994/9/3/33 |
| article html file updated | 4 May 2019 09:09 CEST | Update | - |
| article html file updated | 28 March 2017 03:22 CEST | Update | - |
| article html file updated | 27 February 2017 12:34 CET | Update | - |
| article html file updated | 27 February 2017 12:34 CET | Original file | - |
| article xml uploaded. | 27 February 2017 12:33 CET | Original file | https://www.mdpi.com/2073-8994/9/3/33/xml |
| article pdf uploaded. | 27 February 2017 12:33 CET | Version of Record | https://www.mdpi.com/2073-8994/9/3/33/pdf |
