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| article xml file uploaded | 18 July 2014 03:53 CEST | Original file | https://www.mdpi.com/2079-7737/2/1/378/xml |
| article pdf uploaded. | 1 March 2013 16:05 CET | Version of Record | https://www.mdpi.com/2079-7737/2/1/378/pdf |
