| article html file updated | 6 February 2020 02:51 CET | Update | https://www.mdpi.com/2073-8994/5/3/233 |
| article html file updated | 8 May 2019 03:34 CEST | Update | - |
| article html file updated | 21 March 2019 00:23 CET | Update | - |
| article html file updated | 25 July 2017 08:57 CEST | Original file | - |
| article xml uploaded. | 25 July 2017 08:56 CEST | Original file | https://www.mdpi.com/2073-8994/5/3/233/xml |
| article pdf uploaded. | 27 June 2013 09:39 CEST | Version of Record | https://www.mdpi.com/2073-8994/5/3/233/pdf |
