| article html file updated | 29 August 2025 20:36 CEST | Update | https://www.mdpi.com/2072-6643/5/4/1081 |
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| article pdf uploaded. | 28 March 2013 14:06 CET | Version of Record | https://www.mdpi.com/2072-6643/5/4/1081/pdf |
