Article Version Notes
| Action | Date | Notes | Link |
|---|---|---|---|
| article html file updated | 6 February 2020 01:24 CET | Update | https://www.mdpi.com/1996-1073/6/4/1993 |
| article html file updated | 8 May 2019 06:30 CEST | Update | - |
| article html file updated | 20 March 2019 20:43 CET | Update | - |
| article html file updated | 20 January 2017 03:27 CET | Original file | - |
| article pdf uploaded. | 9 April 2013 15:58 CEST | Updated version of record | https://www.mdpi.com/1996-1073/6/4/1993/pdf |
| article pdf uploaded. | 8 April 2013 14:22 CEST | Version of Record | https://www.mdpi.com/1996-1073/6/4/1993/pdf-vor |