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| article xml file uploaded | 7 January 2014 12:37 CET | Original file | https://www.mdpi.com/2072-6643/5/12/4880/xml |
| article pdf uploaded. | 16 December 2013 20:20 CET | Updated version of record | https://www.mdpi.com/2072-6643/5/12/4880/pdf |
| article pdf uploaded. | 27 November 2013 12:39 CET | Version of Record | https://www.mdpi.com/2072-6643/5/12/4880/pdf-vor |
