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| article xml file uploaded | 30 March 2015 12:40 CEST | Original file | https://www.mdpi.com/2072-6643/7/3/1378/xml |
| article pdf uploaded. | 20 March 2015 13:30 CET | Updated version of record | https://www.mdpi.com/2072-6643/7/3/1378/pdf |
| article pdf uploaded. | 2 March 2015 08:25 CET | Updated version of record | https://www.mdpi.com/2072-6643/7/3/1378/pdf-vor |
| article pdf uploaded. | 18 February 2015 12:58 CET | Version of Record | https://www.mdpi.com/2072-6643/7/3/1378/pdf-vor |