| article html file updated | 21 August 2026 04:19 CEST | Update | https://www.mdpi.com/2076-0752/10/4/87 |
| article html file updated | 20 December 2021 12:58 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2021 12:56 CET | Version of Record | https://www.mdpi.com/2076-0752/10/4/87/pdf |
| article xml uploaded. | 20 December 2021 12:56 CET | Update | https://www.mdpi.com/2076-0752/10/4/87/xml |
| article xml file uploaded | 20 December 2021 12:56 CET | Original file | N/A |
