| article html file updated | 29 August 2025 20:42 CEST | Update | https://www.mdpi.com/2227-7102/3/3/222 |
| article html file updated | 15 July 2022 22:24 CEST | Update | N/A |
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| article pdf uploaded. | 8 July 2013 14:39 CEST | Version of Record | https://www.mdpi.com/2227-7102/3/3/222/pdf |
