| article html file updated | 29 August 2025 22:23 CEST | Update | https://www.mdpi.com/2221-3759/3/4/112 |
| article html file updated | 20 August 2025 22:06 CEST | Update | - |
| article html file updated | 7 February 2020 01:14 CET | Original file | - |
| article pdf uploaded. | 20 November 2015 12:17 CET | Version of Record | https://www.mdpi.com/2221-3759/3/4/112/pdf |
| article xml uploaded. | 20 November 2015 12:17 CET | Original file | https://www.mdpi.com/2221-3759/3/4/112/xml |
