| article html file updated | 29 August 2025 20:36 CEST | Update | https://www.mdpi.com/2076-0787/2/2/147 |
| article html file updated | 15 July 2022 22:13 CEST | Update | N/A |
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| article pdf uploaded. | 2 April 2013 14:48 CEST | Version of Record | https://www.mdpi.com/2076-0787/2/2/147/pdf |
