| article html file updated | 29 August 2025 22:17 CEST | Update | https://www.mdpi.com/2079-9721/3/4/325 |
| article html file updated | 16 July 2022 01:09 CEST | Update | N/A |
| article html file updated | 7 February 2020 00:27 CET | Update | N/A |
| article html file updated | 6 May 2019 07:59 CEST | Update | N/A |
| article html file updated | 26 March 2019 13:49 CET | Original file | N/A |
| article pdf uploaded. | 30 October 2015 17:06 CET | Version of Record | https://www.mdpi.com/2079-9721/3/4/325/pdf |
