| article html file updated | 6 February 2020 05:48 CET | Update | https://www.mdpi.com/1660-4601/10/12/6380 |
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| article xml file uploaded | 7 January 2014 13:16 CET | Original file | https://www.mdpi.com/1660-4601/10/12/6380/xml |
| article pdf uploaded. | 27 November 2013 12:02 CET | Version of Record | https://www.mdpi.com/1660-4601/10/12/6380/pdf |