| article html file updated | 31 August 2025 03:25 CEST | Update | https://www.mdpi.com/2076-0817/8/4/204 |
| article html file updated | 20 July 2022 01:01 CEST | Update | N/A |
| article html file updated | 14 February 2020 03:32 CET | Update | N/A |
| article html file updated | 30 December 2019 19:21 CET | Update | N/A |
| article html file updated | 27 October 2019 02:47 CET | Update | N/A |
| article pdf uploaded. | 27 October 2019 02:46 CET | Updated version of record | https://www.mdpi.com/2076-0817/8/4/204/pdf |
| article xml uploaded. | 27 October 2019 02:46 CET | Update | https://www.mdpi.com/2076-0817/8/4/204/xml |
| article xml file uploaded | 27 October 2019 02:46 CET | Update | N/A |
| article html file updated | 24 October 2019 11:23 CEST | Original file | N/A |
| article pdf uploaded. | 24 October 2019 11:22 CEST | Version of Record | https://www.mdpi.com/2076-0817/8/4/204/pdf-vor |
| article xml uploaded. | 24 October 2019 11:22 CEST | Update | N/A |
| article xml file uploaded | 24 October 2019 11:22 CEST | Original file | N/A |
