| article html file updated | 6 February 2020 05:36 CET | Update | https://www.mdpi.com/2072-6651/5/11/2209 |
| article html file updated | 20 September 2019 03:17 CEST | Update | N/A |
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| article xml file uploaded | 3 December 2013 08:26 CET | Original file | https://www.mdpi.com/2072-6651/5/11/2209/xml |
| article pdf uploaded. | 18 November 2013 13:43 CET | Version of Record | https://www.mdpi.com/2072-6651/5/11/2209/pdf |
