| article html file updated | 18 December 2020 14:13 CET | Original file | https://www.mdpi.com/2076-0752/9/4/132 |
| article pdf uploaded. | 18 December 2020 13:55 CET | Version of Record | https://www.mdpi.com/2076-0752/9/4/132/pdf |
| article xml uploaded. | 18 December 2020 13:55 CET | Update | https://www.mdpi.com/2076-0752/9/4/132/xml |
| article xml file uploaded | 18 December 2020 13:55 CET | Original file | - |
