| article html file updated | 6 February 2020 05:43 CET | Update | https://www.mdpi.com/2072-6651/5/11/2270 |
| article html file updated | 7 May 2019 21:47 CEST | Update | - |
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| article html file updated | 19 August 2015 10:34 CEST | Update | - |
| article html file updated | 3 December 2013 08:26 CET | Original file | - |
| article xml file uploaded | 3 December 2013 08:26 CET | Original file | https://www.mdpi.com/2072-6651/5/11/2270/xml |
| article pdf uploaded. | 22 November 2013 10:51 CET | Version of Record | https://www.mdpi.com/2072-6651/5/11/2270/pdf |
