| article html file updated | 29 August 2025 20:52 CEST | Update | https://www.mdpi.com/2072-6643/5/12/4990 |
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| article xml file uploaded | 7 January 2014 12:38 CET | Original file | https://www.mdpi.com/2072-6643/5/12/4990/xml |
| article pdf uploaded. | 6 December 2013 11:10 CET | Version of Record | https://www.mdpi.com/2072-6643/5/12/4990/pdf |
