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| article xml file uploaded | 9 August 2013 11:57 CEST | Original file | https://www.mdpi.com/2072-6643/5/7/2747/xml |
| article pdf uploaded. | 22 July 2013 09:48 CEST | Updated version of record | https://www.mdpi.com/2072-6643/5/7/2747/pdf |
| article pdf uploaded. | 19 July 2013 10:30 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/7/2747/pdf-vor |
