Article Version Notes
| Action | Date | Notes | Link |
|---|---|---|---|
| article html file updated | 6 February 2020 15:00 CET | Update | https://www.mdpi.com/2076-0752/4/1/23 |
| article html file updated | 7 May 2019 02:51 CEST | Update | - |
| article html file updated | 25 March 2019 20:10 CET | Update | - |
| article html file updated | 24 August 2015 05:05 CEST | Original file | - |
| article xml file uploaded | 24 August 2015 05:05 CEST | Original file | https://www.mdpi.com/2076-0752/4/1/23/xml |
| article pdf uploaded. | 7 January 2015 18:29 CET | Version of Record | https://www.mdpi.com/2076-0752/4/1/23/pdf |