| article html file updated | 16 August 2026 23:24 CEST | Update | https://www.mdpi.com/1996-1073/13/2/311 |
| article html file updated | 15 February 2020 01:16 CET | Update | N/A |
| article html file updated | 7 February 2020 13:58 CET | Update | N/A |
| article html file updated | 17 January 2020 12:35 CET | Original file | N/A |
| article pdf uploaded. | 17 January 2020 12:34 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/311/pdf |
| article xml uploaded. | 17 January 2020 12:34 CET | Update | https://www.mdpi.com/1996-1073/13/2/311/xml |
| article xml file uploaded | 17 January 2020 12:34 CET | Update | N/A |
| article pdf uploaded. | 10 January 2020 11:01 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/311/pdf-vor |
| article pdf uploaded. | 8 January 2020 17:14 CET | Version of Record | https://www.mdpi.com/1996-1073/13/2/311/pdf-vor |
| article xml file uploaded | 8 January 2020 17:14 CET | Original file | N/A |
