| article html file updated | 3 March 2020 09:46 CET | Original file | https://www.mdpi.com/2226-471X/5/1/3 |
| article pdf uploaded. | 3 March 2020 09:44 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/1/3/pdf |
| article xml uploaded. | 3 March 2020 09:44 CET | Update | https://www.mdpi.com/2226-471X/5/1/3/xml |
| article xml file uploaded | 3 March 2020 09:44 CET | Update | - |
| article pdf uploaded. | 2 January 2020 08:06 CET | Version of Record | https://www.mdpi.com/2226-471X/5/1/3/pdf-vor |
| article xml file uploaded | 2 January 2020 08:06 CET | Original file | - |
