| article html file updated | 6 February 2020 15:36 CET | Update | https://www.mdpi.com/2072-6651/7/2/353 |
| article html file updated | 20 September 2019 17:30 CEST | Update | - |
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| article html file updated | 25 March 2019 21:11 CET | Update | - |
| article html file updated | 21 August 2015 06:48 CEST | Update | - |
| article html file updated | 28 February 2015 03:12 CET | Original file | - |
| article xml file uploaded | 28 February 2015 03:12 CET | Original file | https://www.mdpi.com/2072-6651/7/2/353/xml |
| article pdf uploaded. | 30 January 2015 10:43 CET | Version of Record | https://www.mdpi.com/2072-6651/7/2/353/pdf |
