| article html file updated | 29 August 2025 23:35 CEST | Update | https://www.mdpi.com/2218-1997/2/3/20 |
| article html file updated | 20 August 2025 22:23 CEST | Update | - |
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| article pdf uploaded. | 6 September 2016 08:41 CEST | Version of Record | https://www.mdpi.com/2218-1997/2/3/20/pdf |
