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| article xml file uploaded | 18 July 2014 13:02 CEST | Original file | https://www.mdpi.com/1424-2818/6/3/524/xml |
| article pdf uploaded. | 17 July 2014 11:52 CEST | Version of Record | https://www.mdpi.com/1424-2818/6/3/524/pdf |
