| article html file updated | 29 August 2025 22:19 CEST | Update | https://www.mdpi.com/2079-9721/3/4/341 |
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| article pdf uploaded. | 6 November 2015 13:08 CET | Version of Record | https://www.mdpi.com/2079-9721/3/4/341/pdf-vor |
