| article html file updated | 6 February 2020 13:24 CET | Update | https://www.mdpi.com/2072-666X/5/4/1012 |
| article html file updated | 7 May 2019 06:00 CEST | Update | - |
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| article html file updated | 21 August 2015 01:14 CEST | Update | - |
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| article xml file uploaded | 4 January 2015 10:34 CET | Original file | https://www.mdpi.com/2072-666X/5/4/1012/xml |
| article pdf uploaded. | 5 November 2014 11:50 CET | Version of Record | https://www.mdpi.com/2072-666X/5/4/1012/pdf |
