| article html file updated | 17 April 2020 17:03 CEST | Original file | https://www.mdpi.com/2076-3921/9/4/330 |
| article pdf uploaded. | 17 April 2020 17:02 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/4/330/pdf |
| article xml uploaded. | 17 April 2020 17:02 CEST | Update | https://www.mdpi.com/2076-3921/9/4/330/xml |
| article xml file uploaded | 17 April 2020 17:02 CEST | Original file | - |
