| article html file updated | 29 August 2025 21:22 CEST | Update | https://www.mdpi.com/2076-3921/3/4/814 |
| article html file updated | 15 July 2022 23:37 CEST | Update | N/A |
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| article html file updated | 21 August 2015 03:13 CEST | Original file | N/A |
| article pdf uploaded. | 2 December 2014 14:21 CET | Version of Record | https://www.mdpi.com/2076-3921/3/4/814/pdf |
