| article html file updated | 29 August 2025 21:16 CEST | Update | https://www.mdpi.com/2075-4434/2/4/466 |
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| article pdf uploaded. | 20 October 2014 10:29 CEST | Updated version of record | https://www.mdpi.com/2075-4434/2/4/466/pdf |
| article pdf uploaded. | 29 September 2014 15:59 CEST | Version of Record | https://www.mdpi.com/2075-4434/2/4/466/pdf-vor |
