| article html file updated | 15 February 2020 01:25 CET | Update | https://www.mdpi.com/2071-1050/12/2/506 |
| article html file updated | 9 January 2020 11:52 CET | Original file | - |
| article pdf uploaded. | 9 January 2020 11:50 CET | Version of Record | https://www.mdpi.com/2071-1050/12/2/506/pdf |
| article xml uploaded. | 9 January 2020 11:50 CET | Update | https://www.mdpi.com/2071-1050/12/2/506/xml |
| article xml file uploaded | 9 January 2020 11:50 CET | Original file | - |
