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| article xml file uploaded | 18 March 2014 09:40 CET | Original file | https://www.mdpi.com/1660-4601/11/2/2148/xml |
| article pdf uploaded. | 21 February 2014 08:39 CET | Version of Record | https://www.mdpi.com/1660-4601/11/2/2148/pdf |
