| article html file updated | 6 February 2020 03:19 CET | Update | https://www.mdpi.com/2072-6651/5/7/1299 |
| article html file updated | 8 May 2019 02:41 CEST | Update | - |
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| article xml file uploaded | 14 January 2015 06:54 CET | Update | https://www.mdpi.com/2072-6651/5/7/1299/xml |
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| article html file updated | 8 August 2013 11:35 CEST | Original file | - |
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| article pdf uploaded. | 19 July 2013 09:43 CEST | Version of Record | https://www.mdpi.com/2072-6651/5/7/1299/pdf |