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| article xml file uploaded | 28 October 2014 04:35 CET | Original file | https://www.mdpi.com/1996-1073/7/9/5874/xml |
| article pdf uploaded. | 15 September 2014 15:24 CEST | Updated version of record | https://www.mdpi.com/1996-1073/7/9/5874/pdf |
| article pdf uploaded. | 10 September 2014 09:12 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/9/5874/pdf-vor |
