| article html file updated | 29 August 2025 20:49 CEST | Update | https://www.mdpi.com/2072-6694/5/4/1271 |
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| article html file updated | 6 January 2014 11:09 CET | Original file | - |
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| article pdf uploaded. | 23 October 2013 12:02 CEST | Version of Record | https://www.mdpi.com/2072-6694/5/4/1271/pdf |
